fx-82ES fx-83ES fx-85ES fx-300ES fx-350ES - Support
Contents
1. Calculation history memory data is available and can be replayed or there is more data above below the current screen The display currently shows an intermediate result of a multi statement calculation E 6 Important e For a very complex calculation or some other type of calculation that takes a long time to execute the display may show only the above indicators without any value while it performs the calculation internally Calculation Modes and Calculator Setup E Calculation Modes operation mode Generation of a number table based on an Specifying the Calculation Mode 1 Press to display the mode menu i C MF_ TAT a TABLE 2 Press the number key that corresponds to the mode you want to select e To select the STAT Mode for example press 2 E Configuring the Calculator Setup Pressing wove SETUP displays the setup menu which you can use to control how the calculations are executed and displayed The setup menu has two screens which you can jump between using and Jiii e See Adjusting Display Contrast for information about how to use lt CONTP Specifying the Input Output Format For this input output format Perform this key operation C Minio GG LinelO e Math format causes fractions irrational numbers and other expressions to be displayed as they are written on paper e Linear format causes fractions and other expressions2. x 4 1 15 LINE D oomme KEIL E Fraction Calculations How you should input fractions depends on the input output format that is currently selected Improper Fraction Mixed Fraction x 3 E700 BB S 28n03 Linear ae N N Numerator Denominator Integer Part Denominator Format Numerator DER 28 WS B e Under initial default settings fractions are displayed as improper fractions e Fraction calculation results are always reduced before being displayed oie Sele L 3 2 6 lt 002 gt 3 T 1 4 75 Fraction Display Format ab c 4 3 Fraction Display Format ab c e If the total number of digits used for a mixed fraction including integer numerator denominator and separator symbols is greater than 10 the value is automatically displayed in decimal format e The result of a calculation that involves both fraction and decimal values is displayed in decimal format Switching between Improper Fraction and Mixed Fraction Format Pressing the a gt 4 key toggles the display fraction between mixed fraction and improper fraction format E 20 Switching between Fraction and Decimal Format e The format of the fraction depends on the currently selected fraction display format setting improper fraction or mixed fraction e You cannot switch from decimal format to mixed fraction format if the total number of digits used in the mixed fraction including integer numerator denominator and
3. I S y Pol x y Rec r 0 m lt 0 y n x lt 0 y n na m n are integers However 1 x10100 lt ylog x lt 100 y gt 0 x 0 1x10100 lt 1 x logy lt 100 y 0 x gt 0 y lt 0 x 2n 1 Eni m 0 m n are integers However 1 x 10100 lt 1 x log y lt 100 by Total of integer numerator and denominator must be 10 digits or Are less including division marks E 46 e Precision is basically the same as that described under Calculation Range and Precision above e xY XVy 3V x nPr nCr type functions require consecutive internal calculation which can cause accumulation of errors that occur with each calculation e Error is cumulative and tends to be large in the vicinity of a function s singular point and inflection point E Error Messages The calculator will display an error message when a result exceeds the calculation range when you attempt an illegal input or whenever any other similar problem occurs When an error message appears The following are general operations you can use when any error message appears e Pressing or displays to the calculation expression editing screen you were using before the error message appeared with the cursor located at the position of the error For more information see Displaying the Location of an Error e Pressing clears the calculation expression you input before the error message appeared You can then re input
4. and re execute the calculation if you want Note that in this case the original calculation will not be retained in calculation history memory Math ERROR e Cause e The intermediate or final result of the calculation you are performing exceeds the allowable calculation range e Your input exceeds the allowable input range particularly when using functions e The calculation you are performing contains an illegal mathematical operation such as division by zero e Action e Check the input values reduce the number of digits and try again e When using independent memory or a variable as the argument of a function make sure that the memory or variable value is within the allowable range for the function Stack ERROR e Cause e The calculation you are performing has caused the capacity of the numeric stack or the command stack to be exceeded Action e Simplify the calculation expression so it does not exceed the capacity of the stack e Try splitting the calculation into two or more parts Syntax ERROR e Cause e There is a problem with the format of the calculation you are performing Action e Make necessary corrections E 47 Insufficient MEM Error e Cause There is not enough memory to perform your calculation Action e Narrow the table calculation range by changing the Start End and Step values and try again E Before assuming malfunction of the calculator Perform the following steps whenever
5. can be used as the variable of a function e The coordinate conversion Pol Rec functions cannot be used for anumber table generation function e Note that the number table generation operation causes the contents of variable X to be changed E Start End and Step Value Rules e Linear format is always used for value input e You can specify either values or calculation expressions which must produce a numeric result for Start End and Step e Specifying an End value that is less than the Start value causes an error so the number table is not generated e The specified Start End and Step values should produce a maximum of 30 x values for the number table being generated Executing a number generation table using a Start End and Step value combination that produces more than 30 x values causes an error Note e Certain functions and Start End Step value combinations can cause number table generation to take a long time E Number Table Screen The number table screen shows x values calculated using the specified Start End and Step values as well as the values obtained when each x value is substituted in the function f x e Note that you can use the number table screen for viewing values only Table contents cannot be edited e Pressing the key returns to the function editor screen E TABLE Mode Precautions Note that changing the input output format settings Math format or Linear format on the calculator s s
6. following procedure when you want to initialize the calculator and return the calculation mode and setup to their initial default settings Note that this operation also clears all data currently in calculator memory 9 CLR 3 AI amp Yes e For information about calculation modes and setup settings see Calculation Modes and Calculator Setup e For information about memory see Using Calculator Memory E 2 Safety Precautions Be sure to read the following safety precautions before using this calculator Keep this manual handy for later reference AN Caution This symbol is used to indicate information that can result in personal injury or material damage if ignored Battery e After removing the battery from the calculator put it in a safe place where it will not get into the hands of small children and accidentally swallowed e Keep batteries out of the reach of small children If accidentally swallowed consult with a physician immediately e Never charge the battery try to take the battery apart or allow the battery to become shorted Never expose the battery to direct heat or dispose of it by incineration e Improperly using a battery can cause it to leak and damage nearby items and can create the risk of fire and personal injury e Always make sure that the battery s positive and negative ends are facing correctly when you load it into the calculator e Remove the battery if you do not plan t
7. inputting a calculation displays the result using irrational number form e Pressing after inputting a calculation displays the result using decimal values Note e When LinelO is selected for the input output format calculation results are always displayed using decimal values no irrational number form regardless of whether you press or e T form form that includes tt within irrational number display display conditions are the same as those for S D conversion For details see Using S D Transformation Example 1 V2 V8 3 2 2 ba 8 o mppoompmomel tHE 4 242640687 Example 2 sin 60 2 Angle Unit Deg Math A sin 6 0 S E zZ Example 3 sin 0 5 an Angle Unit Rad R Math A sin toa 4 a sim OO OS a 5 e The following are the calculations for which V form form that includes v within irrational number display results can be displayed a Arithmetic calculations of values with square root symbol V ex b Trigonometric function calculations The following are the input value ranges for which V form is always used for display of trigonometric calculation results Input Value Range Angle Value Input for V Form Calculation Result Deg Units of 15 x lt 9 x 109 Angle Unit Setting 1 rad Multiples of 12 T radians x lt 2070 50 Gra Multiples of a grads x lt 10000 Calculation results may be displayed in decimal fo
8. jl f E 12 E E msing Overwrite Mode SOOO castea _ Soc sinn Inserting Input into a Calculation Always use the insert mode for this operation Use or to move the cursor to the location where you want to insert new input and then input what you want E Displaying the Location of an Error If an error message like Math ERROR or Syntax ERROR appears when you press press or This will display the part of the calculation where the error occurred with the cursor positioned at the error location You can then make necessary corrections Example When you input 14 0 x 2 by mistake instead of 14 10x2 Use the insert mode for the following operation D LINE Math ERROR 0 a o wo y o Ee C Cancel CA 41 r 50100 Press or 4 Hlx7 a This is causing the error u 14 10x 14 18x2 You can also exit the error screen by pressing ac which clears the calculation E 13 E inputting with Math Format When inputting with Math format you can input and display fractions and some functions using the same format as they appear in your textbook Important e Certain types of expressions can cause the height of a calculation formula to be greater than one display line The maximum allowable height of a calculation formula is two display screens 31 dots x 2 Further input will become impossible if the height of the calculation you are in
9. reset operation e Calculation history memory is limited When the calculation you are performing causes calculation history memory to become full the oldest calculation is deleted automatically to make room for the new calculation Replay Function While a calculation result is on the display you can press and then or to edit the expression you used for the previous calculation If you are using Linear format you can display the expression by pressing or without pressing first Using Calculator Memory Stores the last calculation result obtained Calculation results can be added to or subtracted Independent Memory from independent memory The M display indicator indicates data in independent memory j Six variables named A B C D X and Y can Variables cade be used for storage of individual values This section uses the COMP Mode moe Q to demonstrate how you can use memory E Answer Memory Ans Answer Memory Overview e Answer Memory contents are updated whenever you execute a calculation using any one of the following keys 5 M HFT M M Rer Grr Re STO Answer Memory can hold up to 15 digits e Answer Memory contents are not change if an error occurs during the current calculation e Answer Memory contents are maintained even if you press the key change the calculation mode or turn off the calculator Using Answer Memory to Perform a Series of Calculations Exa
10. separator symbols is greater than 10 e For details about the key see Using S D Transformation E Percent Calculations Inputting a value and pressing causes the input value to become a percent 2 003 gt 2 0 02 j 100 lt 004 gt 150 x 20 30 1 50 x 100 lt 005 gt Calculate what percentage of 880 is 660 75 lt 006 gt Increase 2500 by 15 2875 lt 007 gt Discount 3500 by 25 2625 lt 008 gt Discount the sum of 168 98 and 734 by 20 800 lt 009 gt 300 grams are added to a test sample originally weighing 500 grams producing a final test sample of 800 grams What percent of 500 grams is 800 grams 160 lt 010 gt What is the percentage change when a value is increased from 40 to 46 How about to 48 15 20 E Degree Minute Second Sexagesimal Calculations You can perform calculations using sexagesimal values and convert values between sexagesimal and decimal Inputting Sexagesimal Values The following is the syntax for inputting a sexagesimal value Degrees f Minutes f Seconds f Appendix lt 011 gt Input 2 0 30 e Note that you must always input something for the degrees and minutes even if they are zero E 21 Sexagesimal Calculations e Performing the following types of sexagesimal calculations produces a sexagesimal result Addition or subtraction of two sexagesimal values Multiplication or division of a sexagesimal value an
11. significant digit Errors are cumulative in the case of consecutive calculations Function Calculation Input Ranges and Precision Functions mputRane DEG 0S x lt 9x 109 x lt 157079632 7 x lt 1x1010 x lt 9x 109 x lt 157079632 7 x lt 1x1010 E 45 Functions input Range tanx Same as sinx except when x 21 1 x90 Same as sinx except when x 21 1 xx 2 QD D O 2 gt I m Same as sinx except when x 21 1 x 100 sin 1x cos x oO IA IA 9 999999999 x 1099 O IA tan x sinhx coshx 230 2585092 oO IA 4 999999999x 1099 4 999999999 x 1099 tanhx 9 999999999 x 1099 tanh x 0 9 999999999 x 1071 0 lt x 9 999999999 x 1099 9 999999999 x 1099 x 99 99999999 9 999999999 x 1099S x 230 2585092 O x lt 1 x 10100 x lt 1x 1050 1 x x lt 1x 10100 x0 x lt 1x 10100 OS x 69 x is an integer 0s n lt 1x1010 0s r n n r are integers 1 n n r lt 1x10100 0s n lt 1x1010 0s r n n r are integers 1 n r lt 1x10100 or 1 n n r lt 1x10100 Ixl y 9 999999999x 1099 y x2 y2 9 999999999x 1099 OS r 9 999999999x 1099 0 Same as sinx la b c lt 1x10100 o sb c x lt 1x 10100 Decimal lt gt Sexagesimal Conversions 0 0 0 x 9999999 59 59 x gt 0 1 x 10100 lt ylogx lt 100 x 0 y gt 0 sinh 1x nce in I cosh 1x oO IA Fer IA Fer logx Inx 10 X N o IA Pf a
12. that is selected by the number key operation 1 before it Note that this is not part of the actual key operation you perform E 1 The cursor key is marked with four arrows indicating direction as shown in the illustration nearby In this User s Guide cursor key operation is indicated as and The displays and illustrations such as key markings shown in this User s Guide and the separate Appendix are for illustrative purposes only and may differ somewhat from the actual items they represent The contents of this manual are subject to change without notice In no event shall CASIO Computer Co Ltd be liable to anyone for special collateral incidental or consequential damages in connection with or arising out of the purchase or use of this product and items that come with it Moreover CASIO Computer Co Ltd shall not be liable for any claim of any kind whatsoever by any other party arising out of the use of this product and the items that come with it E Using the Separate Appendix Whenever you see the symbol Appendix in this manual it means you should refer to the separate Appendix Example numbers like lt 021 gt in this User s Guide refer to the corresponding example number in the Appendix Specify the angle unit in accordance with the marks in the Appendix Specify Degree for the angle unit Specify Radian for the angle unit Initializing the Calculator Perform the
13. the first value either the r value or the X value produced by the conversion Example Pol V2 V2 5 2 5 7 Appendix lt 029 gt to lt 030 gt E 29 E Other Functions This section explains how to use the functions shown below Abs Ran nPr nCr Rnd Factorial This function obtains the factorials of a value that is zero or a positive integer Appendix lt 031 gt 5 3 40320 Absolute Value Calculation Abs When you are performing a real number calculation this function simply obtains the absolute value Appendix lt 032 gt Abs 2 7 5 Random Number Ran This function generates a 3 digit pseudo random number that is less than 1 lt 033 gt Generate three 3 digit random numbers The random 3 digit decimal values are converted to 3 digit integer values by multiplying by 1000 Note that the values shown here are examples only Values actually generated by your calculator will be different Permutation nPr and Combination nCr These functions make it possible to perform permutation and combination calculations n and r must be integers in the range of OS rsn lt 1x10 lt 034 gt How many four person permutations and combinations are possible for a group of 10 people Rounding Function Rnd This function rounds the value or the result of the expression in the function s argument to the number of significant digits specified by the number of display digits setting Displa
14. to be displayed in a single line Math A 4 5 og z 1 Math Format Linear Format Specifying the Default Angle Unit To specify this as the default en Gta Deg Gr a Ra aa 90 5 radians 100 grads To specify this Perform this key operation Number of Decimal Places 6 Fix 0 9 Specifying the Number of Display Digits Number of Significant Digits Sci 0 9 Norm OJ Norm1 Exponential Display Range or 2 Norm Calculation Result Display Examples e Fix The value you specify from O to 9 controls the number of decimal places for displayed calculation results Calculation results are rounded off to the specified digit before being displayed Example 100 7 14 286 Fix3 14 29 Fix2 e Sci The value you specify from 1 to 10 controls the number of significant digits for displayed calculation results Calculation results are rounded off to the specified digit before being displayed Example 1 7 1 4286 x 1071 Sci5 1 429 x 1071 Sci4 e Norm Selecting one of the two available settings Norm1 Norm2 determines the range in which results will be displayed in non exponential format Outside the specified range results are displayed using exponential format Norm1 107 gt x x 2 101 Norm2 10 gt x x 2 1010 Example 1 200 5x 10 8 Norm 0 005 Norm2 E 8 Specifying the Fraction Display Format To specify this fraction display format Perfor
15. 3 E Configuring a Number Table Generation Function The procedure below configures the number table generation function with the following settings 4 Function f x x a Start Value 1 End Value 5 Step Value 1 LINE E 41 1 Press 3 TABLE D fiaa l 2 Input the function D FER I AE sel 3 After making sure the function is the way you want press e This displays the start value input screen Start Indicates the initial default start value of 1 e If the initial value is not 1 press 1 to specify the initial start value for this example iS e 4 After specifying the start value press e This displays the end value input screen Erd Indicates the initial default end value of 5 k z e Specify the end value 5 After specifying the end value press E e This displays the step value input screen Step Indicates the initial default step value of 1 iS _ e Specify the step value e For details about specifying the start end and step values see Start End and Step Value Rules 6 After specifying the step value press e Pressing the key returns to the function editor screen E Supported Function Types e Except for the X variable other variables A B C D Y and independent memory M are all treated as values the current variable assigned to the variable or stored in independent memory E 42 e Only variable X
16. E 34 Example To input the value 123 45 in cell X1 Move the cursor to cell X1 mAIRE The value you input appears in the formula area Registering a value causes the cursor to move down one cell STAT Editor Screen Input Precautions e The number of lines in STAT editor screen the number of sample data values you can input depends on the type of statistical data you selected and on the Statistical Display setting of the calculator s setup screen Statistical Statistic Type No FREQ column FREQ column Single variable Paired variable e The following types of input are not allowed on the STAT editor screen M Gr M M operations e Assignment to variables STO Precautions Concerning Sample Data Storage Sample data you input is deleted automatically whenever you change to another mode from the STAT Mode or change the Statistical Display setting which causes the FREQ column to be shown or hidden on the calculator s setup screen Editing Sample Data Replacing the Data in a Cell 1 On the STAT editor screen move the cursor to the cell you want to edit 2 Input the new data value or expression and then press E Important e Note that you must totally replace the existing data of the cell with new input You cannot edit parts of the existing data Deleting a Line 1 On the STAT editor screen move the cursor to the line you want to delete 2 Press pel E 35 Inserting a Li
17. Jfx 82ES Jx 83ES Jx 85ES Jx 300ES Jx 350ES User s Guide RCA502136 001V01 A CASIO Europe GmbH Bornbarch 10 22848 Norderstedt Germany About this Manual e The mark indicates an example that uses Math format while the LINE mark indicates Linear format For details about input output formats see Specifying the Input Output Format e Keycap markings indicate what a key inputs or what function it performs Example 0 2 amp M Ad etc e Pressing the or key followed by a second key performs the alternate function of the second key The alternate function is indicated by the text printed above the key Alternate function r sin D Keycap function sin e The following shows what the different colors of the alternate function key text mean If key marking text is this color Yell Press and then the key to access N the applicable function Press and then the key to input the applicable variable constant or symbol e The following shows an example of how an alternate function operation is represented in this User s Guide Example Ein sin 0O E le Indicates the function that is accessed by the key operation SHIFT sin before it Note that this is not part of the actual key operation you perform e The following shows an example of how a key operation to select an on screen menu item is represented in this User s Guide Example 4 Setup Indicates the menu item
18. an error occurs during a calculation or when calculation results are not what you expected If one step does not correct the problem move on to the next step Note that you should make separate copies of important data before performing these steps 1 Check the calculation expression to make sure that it does not contain any errors 2 Make sure that you are using the correct mode for the type of calculation you are trying to perform 3 If the above steps do not correct your problem press the key This will cause the calculator to perform a routine that checks whether calculation functions are operating correctly If the calculator discovers any abnormality it automatically initializes the calculation mode and clears memory contents For details about initialized settings see Initializing the Calculation Mode and Other Settings under Calculation Modes and Calculator Setup 4 Initialize all modes and settings by performing the following operation 9 CLR 1 Setup Yes Reference E Power Requirements and Battery Replacement fx 85ES fx 300ES Your calculator uses aTWO WAY POWER system that combines a solar cell with button battery LR44 GPA76 Normally calculators equipped with a solar cell alone can operate only when relatively bright light is present The TWO WAY POWER system however lets you continue to use the calculator as long as there is enough light to read the display Replacing the Ba
19. ata Displaying the STAT Editor Screen The STAT editor screen appears after you enter the STAT Mode from another mode Use the STAT menu to select a statistical calculation type To display the STAT editor screen from another STAT Mode screen press 1 STAT 2 Data STAT Editor Screen There are two STAT editor screen formats depending on the type of statistical calculation you selected STAT D l 3 Single variable Statistics Paired variable Statistics e The first line of the STAT editor screen shows the value for the first sample or the values for their first pair of samples FREQ Frequency Column If you turn on the Statistical Display item on the calculators setup screen a column labeled FREQ will also be included on the STAT editor screen You can use the FREQ column to specify the frequency the number of times the same sample appears in the group of data of each sample value Rules for Inputting Sample Data on the STAT Editor Screen e Data you input is inserted into the cell where the cursor is located Use the cursor keys to move the cursor between cells Cursor e The values and expressions you can input on the STAT editor screen are the same as those you can input in the COMP Mode with Linear format e Pressing while inputting data clears your current input e After inputting a value press This registers the value and displays up to six of its digits in the currently selected cell
20. d a decimal value Appendix lt 012 gt 2 20 30 39 30 3 00 00 Converting Values between Sexagesimal and Decimal Pressing while a calculation result is displayed toggles the value between sexagesimal and decimal Appendix lt 013 gt Convert 2 255 to its sexagesimal equivalent Using Multi statements in Calculations You can use the colon character to connect two or more expressions and execute them in sequence from left to right when you press Example To create a multi statement that performs the following two calculations 3 3 and 3x 3 3 Oa 3 3 OB 444 a i D ADisp Jr Disp indicates this is an intermediate result of a multi statement D A JsJ E 22 Using Calculation History Memory and Replay COMP Calculation history memory maintains a record of each calculation expression you input and execute and its result You can use calculation history memory in the COMP Mode Qo 4 only Recalling Calculation History Memory Contents Press to back step through calculation history memory contents Calculation history memory shows both calculation expressions and results Example LINE a OU 3 2 4 2 amp ENCE G D VA ete O d D v l 2 e Note that calculation history memory contents are cleared whenever you turn off the calculator press the key change to the calculation mode or the input output format or perform any
21. e press 0 Ra STO A E Clearing the Contents of All Memories Use the following procedure to clear the contents of Answer Memory independent memory and all of the variables Press 9 CLR 2 Memory Yes e To cancel the clear operation without doing anything press ac Cancel instead of E E 26 Function Calculations This section explains how to use the calculator s built in functions The functions available to you depends on the calculation mode you are in The explanations in this section are mainly about the functions that are available in all calculation modes All of the examples in this section show operation in the COMP Mode Q 1 e Certain function calculations may take some time to display calculation results Before performing an operation be sure to wait until execution of the current operation is complete You can interrupt an ongoing operation by pressing ac E Pi 7 and Natural Logarithm Base e You can input pi rt or natural logarithm base e into a calculation The following shows the required key operations and the values this calculator uses for pi tt and e T 3 14159265358980 Hr xi0 70 e 2 71828182845904 PHA x10 e E Trigonometric and Inverse Trigonometric Functions e The angle unit required by trigonometric and inverse trigonometric functions is one specified as the calculator s default angle unit Before performing a calculation be sur
22. e to specify the default angle unit you want to use See Specifying the Default Angle Unit for more information Appendix lt 016 gt sin 30 0 5 sin 0 5 30 E Hyperbolic and Inverse Hyperbolic Functions Pressing the key displays a menu of functions Press the number key that corresponds to the function you want to input Appendix lt 017 gt sinh 1 1 175201194 cosh 1 0 E 27 E Converting an Input Value to the Calculator s Default Angle Unit After inputting a value press An DRG to display the angle unit specification menu shown below Press the number key that corresponds to the angle unit of the input value The calculator will automatically convert it to the calculator s default angle unit Example To convert the following values to degrees radians 90 50 grads 45 The following procedure assumes that the calculators default angle unit is degrees CO mF O n Qo mazar ans DRGP 2 E D A 5 Gi ns DRG 569 EINE 45 Appendix lt 018 gt cos n radians 1 cos 100 grads 0 lt 019 gt cos 1 180 cos 1 7 E Exponential Functions and Logarithmic Functions e For the logarithmic function log you can specify base m using the syntax log m ny If you input only a single value a base of 10 is used for the calculation e In is a natural logarithm function with base e e You can also use the key when inputting an ex
23. ependent memory e Independent memory contents are maintained even if you press the key change the calculation mode or turn off the calculator E 25 Calculation Examples Using Independent Memory e If the M indicator is on the display perform the procedure under Clearing Independent Memory before performing this example Example 23 9 32 2 o H o mw 53 6 47 B33U0 45 x2 90 4 GE X Gary M M 99 3 33 o o G o w Total 22 Ren M M Clearing Independent Memory Press 0 key STO M This clears independent memory and causes the M indicator to disappear from the display E Variables A B C D X Y Variable Overview e You can assign a specific value or a calculation result to a variable Example To assign the result of 3 5 to variable A 3 H GE fe STOO A e Use the following procedure when you want to check the contents of a variable Example To recall the contents of variable A OA e The following shows how you can include variables inside of an expression Example To multiply the contents of variable A by the contents of variable B m O A 9 arm E B E e Variable contents are maintained even if you press the key change the calculation mode or turn off the calculator Clearing the Contents of a Specific Variable Press 0 fey STO and then press the key for the name of the variable whose contents you want to clear To clear the contents of variable A for exampl
24. etup screen while in the TABLE Mode clears the number table generation function E 43 Technical Information E Calculation Priority Sequence The calculator performs calculations according to a calculation priority sequence e Basically calculations are performed from left to right e Expressions within parentheses have the highest priority e The following shows the priority sequence for each individual command 1 Function with parentheses Pol Rec sin cos tan sin 1 cos 1 tan 1 sinh cosh tanh sinh cosh tanh 1 log In eM 10 V 3V Abs Rnd 2 Functions preceded by values powers power roots x2 x3 x71 xl OO A XV Percent Fractions aP c Prefix symbol negative sign Statistical estimated value calculation J X1 2 Permutations combinations nPr nCr Multiplication and division x Multiplication where sign is omitted Multiplication sign omitted immediately before x e variables 2r 5A nA etc functions with parentheses 2V 3 Asin 30 etc 8 Addition and subtraction If a calculation contains a negative value you may need to enclose the negative value in parentheses If you want to square the value 2 for example you need to input 2 This is because x is a function preceded by a value Priority 2 above whose priority is greater than the negative sign which is a prefix symbol Priority 4 NOOO fF WO Examp
25. eviation MinMax Sub menu sHF Q STAT 6 MinMax Select this menu item When you want to obtain this 4 minX Minimum value 2 maxX Maximum value Appendix Single variable Statistical Calculation lt 040 gt Select single variable 1 VAR and input the following data 1 2 3 4 5 6 7 8 9 10 FREQ ON lt 041 gt Edit the data to the following using insert and delete 0 1 2 3 4 5 6 7 9 10 FREQ ON lt 042 gt Edit the FREQ data to the following 1 2 1 2 2 2 3 4 2 1 FREQ ON e Examples lt 043 gt through lt 045 gt all use the same data as Example lt 042 gt lt 043 gt Calculate sum of squares of the sample data and sum of the sample data lt 044 gt Calculate number of samples mean and population standard deviation lt 045 gt Calculate minimum value and maximum value Commands when Linear Regression Calculation A BX Is Selected With linear regression regression is performed in accordance with the following model equation y A BX The following are the commands that appear on the sub menus that appear when you select 4 Sum 5 Var 6 MinMax or 7 Reg on the STAT menu while linear regression is selected as the statistical calculation type See Appendix lt 046 gt for information about the calculation formula used for each command E 38 Sum Sub menu kr C STAT 4 Sum Select this menu item When you want to obtai
26. g the Battery Dim figures on the display of the calculator indicate that battery power is low Continued use of the calculator when the battery is low can result in improper operation Replace the battery as soon as possible when display figures becomes dim Even if the calculator is operating normally replace the battery at least once every two years R03 UM 4 or one year LRO3 AM4 Important e Removing the battery from the calculator causes independent memory contents and values assigned to variables to be cleared E 49 Press Ac OFF to turn off the calculator On the back of the calculator remove the screws and the back cover Remove the old battery amp Load a new battery into the calculator with its positive and negative ends facing correctly Replace the back cover and secure it in place with its screws Perform the following key operation 9 CLR 3 All Yes e Make sure you perform the above key operation Do not skip it Auto Power Off Your calculator will turn off automatically if you do not perform any operation for about six minutes If this happens press the key to turn the calculator back on E 50 Specifications fx 82ES fx 83ES Power Requirements AAA size battery RO3 UM 4 x 1 Battery Life Approximately 6 000 hours continuous operation Approximately 17 000 hours continuous display of flashing cursor Power Consumption 0 0002 W O
27. is displayed in decimal form even when any intermediate result has three or more terms Example 1 V2 V3 1 Vv2 v3 4 2v6 8 898979486 e f a term is encountered during the calculation cannot be displayed as a root Vv _ form or a fraction the calculation result is displayed in decimal form Example log3 V2 1 891334817 E 18 Basic Calculations COMP This section explains how to perform arithmetic fraction percent and sexagesimal calculations All calculations in this section are performed in the COMP Mode to 1 E Arithmetic Calculations Use the X and 3 keys to perform arithmetic calculations Example 7x8 4x5 36 LINE TRIER TEE e The calculator automatically judges the calculation priority sequence For more information see Calculation Priority Sequence Number of Decimal Places and Number of Significant Digits You can specify a fixed number of decimal places and significant digits for the calculation result Example 1 6 LINE Initial default setting Norm1 H GEGEREERY 3 decimal places Fix3 3 significant digits Sci3 1 6 xiat e For more information see Specifying the Number of Display Digits Omitting a Final Closed Parenthesis You can omit any closed parenthesis immediately preceding operation of the key at the end of a calculation This is true only in the case of Linear format E 19 Example 2 3
28. le Qe 22 4 ooggggEg 2 4 Multiplication and division and multiplication where the sign is omitted are the same priority Priority 7 so these operations are performed from left to right when both types are mixed in the same calculation Enclosing an operation within parentheses causes it to be performed first so the use of parentheses can result in different calculation results Example ooo ME 1 27 1 570796327 o G 0O amp eo 7S 1 2m 0 1591549431 E 44 E Stack Limitations This calculator uses memory areas called stacks to temporarily store lower calculation priority sequence values commands and functions The numeric stack has 10 levels and the command stack has 24 levels as shown in the illustration below 3 5 8 A Stack ERROR occurs when the calculation you are performing causes the capacity of either stack to be exceeded E Calculation Ranges Number of Digits and Precision The calculation range number of digits used for internal calculation and calculation precision depends on the type of calculation you are performing Calculation Range and Precision Calculation Range 1 x 10 99 to 9 999999999 x 1099 or 0 Number of Digits for Internal 15 digit Calculation ae Precision In general 1 at the 10th digit for a single calculation Precision for exponential display is 1 at the least
29. lt CONTP This displays the contrast adjustment screen Use and to adjust display contrast After the setting is the way you want press acj CONTRAST LIGHT Cal e You can also adjust contrast using amp and while the mode menu which appears when you press ove is on the display Important e If adjusting display contrast does not improve display readability it probably means that battery power is low Replace the battery E 5 E About the Display Your calculator has a 31 dot x 96 dot LCD screen Example D A Input expression Poltlt2isJt2 Calculation result 45 E Display Indicators Sample Display STAT D This indicator The keypad has been shifted by pressing the key The keypad will unshift and this indicator will disappear when you press a key The alpha input mode has been entered by pressing the key The alpha input mode will be exited and this indicator will disappear when you press a key OM There is a value stored in independent memory The calculator is standing by for input of a variable STO name to assign a value to the variable This indicator appears after you press fey STO The calculator is standing by for input of a variable name to recall the variable s value This indicator appears after you press fen A fixed number of decimal places is in effect A fixed number of significant digits is in effect Math Math style is selected as the input output format
30. m this key operation Mixed tn D CH ab o improper MWE Boo Specifying the Statistical Display Format Use the following procedure to turn display of the frequency FREQ column of the STAT Mode STAT editor screen on or off To specify this Perform this key operation Show FREQ Column 3 STAT 1 ON SH GH STAN OFF Specifying the Decimal Point Display Format To specify this decimal a p point display format Perform this key operation Da mma O Dsp A Comma e The setting you configure here is applied for calculation results only The decimal point for input values is always a dot E initializing the Calculation Mode and Other Settings Performing the following procedure initializes the calculation mode and other setup settings as shown below 9 CLR 4 Setup amp Yes This setting Is initialized to this Calculation Mode COMP Input Output Format MthlO Angle Unit Deg Display Digits Normi Fraction Display Format d c Statistical Display OFF Decimal Point Dot e To cancel initialization without doing anything press ac Cancel instead of E E 9 Inputting Expressions and Values E inputting a Calculation Expression Using Standard Format Your calculator lets you input calculation expressions just as they are written Then simply press the key to execute it The calculator automatically judges the calculation priority sequence for addition subtraction m
31. m to use You cannot specify the standard form Fraction The current fraction display format setting determines whether the result is an improper fraction or mixed fraction TE The following are the st forms that are supported This is true only in the case of Math format nt nis an integer dr i er depending on fraction display format C C setting e Transformation to a fractional m form is limited to inverse trigonometric function results and values that are normally expressed in radians e After obtaining a calculation result in V form you can convert it to decimal form by pressing the key When the original calculation result is in decimal form it cannot be converted to V form E 32 Examples of S D Transformation Note that S D transformation can take some time to perform Example Fraction Decimal Elana e Each press of the key toggles between the two forms BPLEREERKERE SaD lt 037 gt T Fraction Decimal lt 038 gt V Decimal Statistical Calculation STAT All calculations in this section are performed in the STAT Mode io 2 Selecting a Statistical Calculation Type In the STAT Mode display the statistical calculation type selection screen E Statistical Calculation Types Key Menu nem Statistical Calculation m ivan Singewariae Peay vex _ imearregression eoe Quadratic regreson ts eX e exponential regression E 33 E inputting Sample D
32. mple To divide the result of 3 x 4 by 30 LINE Ad Zu OWE Continuing 0 Ans SH Pressing automatically inputs Ans command e With the above procedure you need to perform the second calculation immediately after the first one If you need to recall Answer Memory contents after pressing Ac press the key E 24 Inputting Answer Memory Contents into an Expression Example To perform the calculations shown below 123 456 579 789 579 210 i _ LINE p poomsaogmag ord DORE ood ANS 21H E Independent Memory M You can add calculation results to or subtract results from independent memory The M appears on the display when independent memory contains a value Independent Memory Overview e The following is a summary of the different operations you can perform using independent memory To do this Perform this key operation Add the displayed value or result of the expression to independent memory Subtract the displayed value or result of the expression from M M independent memory Recall current independent RCL M u e You can also insert the M variable into a calculation which tells the calculator to use the current independent memory contents at that location The following is the key operation for inserting the M variable M e The M indicator appears in the upper left of the display when there is any value other than zero stored in ind
33. n this Sum of squares of the X data 2 Xx 2 7 BE Sumofthe xosa Var Sub menu sHFt Q STAT 5 Var Select this menu item When you want to obtain this Number of samples Mean of the X data y Sample standard deviation of the Y data MinMax Sub menu nrt Q STAT 6 MinMax menu item When you want to obtain this Reg Sub menu r 1 STAT 7 Reg Select this menu item When you want to obtain this Regression coefficient constant term A Regression coefficient B Estimated value of x Estimated value of y E 39 Appendix Linear Regression Calculation lt 047 gt to lt 050 gt e Examples lt 048 gt through lt 050 gt all use the data input in Example lt 047 gt 1 Estimated Value y 3 gt 2 2 Estimated Value x 2 gt Commands when Quadratic Regression Calculation _ CX Is Selected With quadratic regression regression is performed in accordance with the following model equation 2 y A BX CX See Appendix lt 051 gt for information about the calculation formula used for each command Reg Sub menu kr C STAT 7 Reg Select this u When you want to obtain this Regression coefficient constant term A Linear coefficient B of the regression coefficients Gc Quadratic coefficient C of the regression coefficients Estimated value of x1 Estimated value of x2 Estimated value of y e Sum sub menu sums Var sub menu number of
34. ne 1 On the STAT editor screen move the cursor to the line that will be under the line you will insert 2 Press 1 STAT 3 Edit 3 Press 4 Ins Important e Note that the insert operation will not work if the maximum number of lines allowed for the STAT editor screen are already used Deleting All STAT Editor Contents 1 Press 1 STAT 8 Edit 2 Press 2 Del A e This clears all of the sample data on the STAT editor screen Note e Note that you can perform the procedures under Inserting a Line and Deleting All STAT Editor Contents only when the STAT editor screen is on the display E STAT Calculation Screen The STAT calculation screen is for performing statistical calculations with the data you input with the STAT editor screen Pressing the key while the STAT editor screen is displayed switches to the STAT calculation screen The STAT calculation screen also uses Linear format regardless of the current input output format setting on the calculator s setup screen E Using the STAT Menu While the STAT editor screen or STAT calculation screen is on the display press 1 STAT to display the STAT menu The content to the STAT menu depends on whether the currently selected statistical operation type uses a single variable or paired variables Single variable Statistics Paired variable Statistics E 36 STAT Menu Items Common Items Select this menu item When you want to do thi
35. o internal circuitry Avoid use and storage of the calculator in areas subjected to large amounts of humidity and dust Take care never to leave the calculator where it might be splashed by water or exposed to large amounts of humidity or dust Such conditions can damage internal circuitry Never drop the calculator or otherwise subject it to strong impact Never twist or bend the calculator Avoid carrying the calculator in the pocket of your trousers or other tight fitting clothing where it might be subjected to twisting or bending Never try to take the calculator apart Never press the keys of the calculator with a ballpoint pen or other pointed object Use a soft dry cloth to clean the exterior of the calculator If the calculator becomes very dirty wipe it off with a cloth moistened in a weak solution of water and a mild neutral household detergent Wring out all excess liquid before wiping the calculator Never use thinner benzene or other volatile agents to clean the calculator Doing so can remove printed markings and can damage the case Before Using the Calculator E Removing the Hard Case Before using the calculator slide its hard case downwards to remove it and then affix the hard case to the back ofthe calculator as shown in the illustration below E Turning Power On and Off e Press to turn on the calculator e Press ac OFF to turn off the calculator E Adjusting Display Contrast mo SETUP EJ
36. o use the calculator for a long time fx 82ES fx 83ES fx 350ES e Use only the type of battery specified for this calculator in this manual Disposing of the Calculator e Never dispose of the calculator by burning it Doing so can cause certain components to suddenly burst creating the risk of fire and personal injury E 3 Handling Precautions Be sure to press the key before using the calculator for the first time Even ifthe calculator is operating normally replace the battery at least once every three years LR44 GPA76 two years R03 UM 4 or one year LRO3 AM4 A dead battery can leak causing damage to and malfunction of the calculator Never leave a dead battery in the calculator The battery that comes with this unit discharges slightly during shipment and storage Because of this it may require replacement sooner than the normal expected battery life Low battery power can cause memory contents to become corrupted or lost completely Always keep written records of all important data Avoid use and storage of the calculator in areas subjected to temperature extremes Very low temperatures can cause slow display response total failure of the display and shortening of battery life Also avoid leaving the calculator in direct sunlight near a window near a heater or anywhere else it might be exposed to very high temperatures Heat can cause discoloration or deformation of the calculator s case and damage t
37. perating Temperature 0 C to 40 C Dimensions 13 7 H x 80 W x 161 D mm 9 16 H x 31 8 W x 69 16 D Approximate Weight 110 g 3 9 oz including the battery Bundled Items Hard Case fx 350ES Power Requirements AAA size battery LRO3 AM4 x 1 Battery Life Approximately 8 700 hours continuous operation Power Consumption 0 0002 W Operating Temperature 0 C to 40 C Dimensions 13 7 H x 80 W x 161 D mm 9 16 H x 31 8 W x 69 16 D Approximate Weight 110 g 3 9 oz including the battery Bundled Items Hard Case fx 85ES fx 300ES Power Requirements Solar Cell Built into the front of the calculator Button Battery LR44 GPA76 x 1 Battery Life Approximately 3 years Based on one hour of operation per day Operating Temperature 0 C to 40 C Dimensions 12 2 H x 80 W x 161 D mm 1 2 H x 31 8 W x 69 16 D Approximate Weight 105 g 3 7 oz including the battery Bundled Items Hard Case E 51 CASIO CASIO COMPUTER CO LTD 6 2 Hon machi 1 chome Shibuya ku Tokyo 151 8543 Japan SA1106 D Printed in China
38. ppears to the left of the expression indicating that it runs off the left side of the screen Input expression 1111 2222 3333 444 Math Displayed portion 4 99994999944 dd Cursor e When the lt indicator is displayed you can scroll left and view the hidden part by pressing the key This will cause the gt indicator to appear to the right of the expression At this time you can use the key to scroll back Number of Input Characters Bytes e You can input up to 99 bytes of data for a single expression Basically each key operation uses up one byte A function that requires two key operations to input like sin sin also uses only one byte Note however that when you are inputting functions with Math format each item you input uses up more than one byte For more information see Inputting with Math Format e Normally the input cursor appears as a straight vertical or horizontal m flashing line on the display screen When there are 10 or fewer bytes of input remaining in the current expression the cursor changes shape to ff to let you know If the cursor appears terminate the expression at a convenient point and calculate the result E Correcting an Expression This section explains how to correct an expression as you are inputting it The procedure you should use depends on whether you have insert or overwrite selected as the input mode About the Insert and Overwrite Input Modes Wi
39. pression with the form of logmn while using Math format For details see Appendix lt 020 gt Note that you must input the base base m when using the key for input Appendix lt 021 gt to lt 023 gt 1 A base of 10 common logarithm is used if no base is specified E 28 E Power Functions and Power Root Functions X2 X3 X71 X V 3V V Appendix lt 024 gt to lt 028 gt E Rectangular Polar Coordinate Conversion Rec Rectangular Polar Coordinates Coordinates Rec Pol e Coordinate conversion can be performed in the COMP and STAT calculation modes Converting to Polar Coordinates Pol Pol X Y X Specifies the rectangular coordinate X value Y Specifies the rectangular coordinate Y value e Calculation result 0 is displayed in the range of 180 lt 0 180 e Calculation result 0 is displayed using the calculator s default angle unit e Calculation result r is assigned to variable X while is assigned to Y Converting to Rectangular Coordinates Rec Rec r 0 r Specifies r value of polar coordinate 0 Specifies 0 value of polar coordinate e Input value is treated as an angle value in accordance with the calculators default angle unit setting e Calculation result x is assigned to variable X while y is assigned to Y If you perform coordinate conversion inside of an expression instead of a stand alone operation the calculation is performed using only
40. putting exceeds the allowable limit e Nesting of functions and parentheses is allowed Further input will become impossible if you nest too many functions and or parentheses If this happens divide the calculation into multiple parts and calculate each part separately Functions and Symbols Supported for Math Format Input e The Bytes column shows the number of bytes of memory that are used up by input Key Operation EA Es log Function Symbol Improper Fraction Mixed Fraction log a b Logarithm 10x Power of 10 og 108 4 ex Power of e in e i ae Square Root Cube Root Square Cube Reciprocal Power Power Root Absolute Value Parentheses E Vm za Ge Na 9 Math Format Input Examples e The following operations are all performed while Math format is selected e Pay close attention to the location and size of the cursor on the display when you input using Math format Selajalsjalsle O 2 a g Example 1 To input 2 1 aaa D Math E 14 D Math Example 2 To input 1 V2 3 aaa D 14 53 D Math Example 3 To input 1 x2 OWWABAO OB D a x 2 amp e When you press and obtain a calculation result using Math format part of the expression you input can be cut off as shown in the Example 3 screen shot If you need to view the entire input expression again press and then press Incorporating a Value into a Function When using Math fo
41. rm for input values outside of the above ranges MV Form Calculation Range Results that include square root symbols can have up to two terms an integer term is also counted as a term v form calculation results use display formats like those shown below tavb d tavb 2 ath pde C The following shows the range for each of the coefficients a b c d e f 1 lt a lt 100 1 lt b lt 1000 1 sc lt 100 O lt d lt 100 0 lt e lt 1000 1 f lt 100 E 17 Example 3 148 492424 decimal form 105v2 2 m m 485281374 2x 2 5 6 4 5 23 x 5 2V3 35 32566285 decimal form 115 46V3 10V2 15 x 3V3 45V3 10V2 15 x 10V2 3V3 290 0743207 decimal form 45V3 150Vv2 V2 V3 V8 V3 3V2 The underlined areas in the above examples indicate what caused decimal form to be used Reasons why the results of the examples are displayed in decimal form Value outside of the allowable range More than two terms in the calculation result e Calculation results displayed in V form are reduced to a common denominator avb dVe avb dVe nz gt 1 C c e c is the least common multiple of c and f e Since calculation results are reduced to a common denominator they are displayed in V form even if coefficients a c and d are outside the corresponding ranges of coefficients a c and d v3 v2 10V3 11V2 e Example 77 49 110 e The result
42. rmat you can incorporate part of an input expression a value an expression within parentheses etc into a function Example To incorporate the expression inside of the parentheses of 1 2 3 4into the V function D Math Move the cursor to here 2 3 4 D Math HFT Det INS e 5 4 This changes the shape of the cursor as shown here D Math 1 10243 4 This incorporates the expression in the parentheses into the function v e f the cursor is located left of a particular value or fraction instead of an open parentheses that value or fraction will be incorporated into the function specified here e If the cursor is located left of function the entire function is incorporated into the function specified here E 15 The following examples show the other functions that can be used inthe above procedure and the required key operations to use them Original Expression H 7 31 4 eG Key Operation Resulting Expression Power Root x No i Oey 4 You can also incorporate values into the following functions GH log 108 Cher Cin e vm 8 Ki ve Displaying Calculation Results in a Form that Includes V2 7 etc Irrational Number Form When MthlO is selected for the input output format you can specify whether calculation results should be displayed in a form that includes expressions like V2 and rt irrational number form e Pressing after
43. s Display the statistical calculation type selection Display the STAT editor screen Edit Display the Edit sub menu for editing STAT editor BEA screen contents Display the Sum sub menu of commands for 2 Sum ER calculating sums EV Display the Var sub menu of commands for ai calculating the mean standard deviation etc Display the MinMax sub menu of commands for obtaining maximum and minimum values Paired variable Menu Item Select this menu item When you want to do this Display the Reg sub menu of commands for regression calculations e For details see Commands when Linear Regression Calculation A BX Is Selected and Commands when Quadratic Regression Calculation _ CX2 Is Selected Single variable 1 VAR Statistical Calculation Commands The following are the commands that appear on the sub menus that appear when you select 4 Sum 5 Var or 6 MinMax on the STAT menu while a single variable statistical calculation type is selected See Appendix lt 039 gt for information about the calculation formula used for each command Sum Sub menu r C STAT 4 Sum Select this menu item When you want to obtain this Sum of squares of the sample data Sum of the sample data E 37 Var Sub menu sHFt Q STAT 5 Var Select this menu item When you want to obtain this Number of samples Mean of the sample data Population standard deviation Sample standard d
44. samples mean standard deviation and MinMax sub menu maximum value minimum value operations are the same those for linear regression calculations Appendix Quadratic Regression Calculation lt 052 gt to lt 054 gt e Examples lt 052 gt through lt 054 gt all use the data input in Example lt 047 gt Comments for Other Types of Regression For details about the calculation formula of the command included in each regression type refer to the indicated calculation formulas Appendix lt 055 gt to lt 059 gt E 40 Statistical Calculation Model Eauati Calculation Type a Formula T Regression y A BlnX lt 055 gt an Regression lt 056 gt ab Exponential Regression u X _A B Inverse Regression 1 X y A t x lt 059 gt Appendix Comparison of Regression Curves e The following example uses the data input in Example lt 047 gt lt 060 gt Compare the correlation coefficient for logarithmic e exponential ab exponential power and inverse regression FREQ OFF Appendix Other Types of Regression Calculation lt 061 gt to lt 065 gt Command Usage Tips e The commands included in the Reg sub menu can take a long time to execute in logarithmic e exponential ab exponential or power regression calculation when there are a large number of data samples Generating a Number Table from a Function TABLE All calculations in this section are performed in the TABLE Mode 0o
45. th the insert mode the displayed characters shift to the left to make room when you input a new character With the overwrite mode any new character you input replaces the character at the current cursor position The initial default input mode is insert You can change to the overwrite mode when you need it e The cursor is a vertical flashing line f when the insert mode is selected The cursor is a horizontal flashing line m when the overwrite mode is selected e The initial default for Linear format input is the insert mode You can switch to the overwrite mode by pressing DE INS E 11 e With Math format you can only use the insert mode Pressing bt INS when the Math format is selected does not switch to the overwrite mode See Incorporating a Value into a Function for more information e The calculator automatically changes to the insert mode whenever you change the input output format from Linear to Math Changing the Character or Function You Just Input Example To correct the expression 369 x 13 so it becomes 369 x 12 ommal mla mlga Deleting a Character or Function Example To correct the expression 369 x x 12 so it becomes 369 x 12 Insert Mode 3 6 9 amp amp 769x417 Dlo gga Overwrite Mode 3 6 9 amp amp TB Egs j OO 39x12 359x12 Correcting a Calculation Example To correct cos 60 so it becomes sin 60 LINE Insert Mode 6 0 cos tbe
46. ttery Dim display figures when available lighting is dim or failure of anything to appear on the display immediately when you turn on the calculator indicates that button battery power is low Note that you will not be able to use the calculator if its button battery is dead When any of these symptoms occur replace the button battery Even if the calculator is operating normally replace the battery at least once every three years E 48 Important e Removing the button battery from the calculator causes independent memory contents and values assigned to variables to be cleared Press ac OFF to turn off the Screw calculator e To ensure that you do not accidentally turn on power while replacing the battery slide the hard case onto the front of the calculator On the back of the calculator remove the screw and the battery cover Remove the old battery Wipe a new battery with a dry cloth and then load it into the calculator with its positive side facing upwards So you can see it Replace the battery cover and secure it in place with its screw Perform the following key operation 9 CLR 3 All Yes e Make sure you perform the above key operation Do not skip it fx 82ES fx 83ES fx 350ES fx 82ES fx 83ES This calculator is powered by a single AAA size battery RO3 UM 4 fx 350ES This calculator is powered by a single AAA size battery LRO3 AM4 Replacin
47. ultiplication and division functions and parentheses Example 2 5 4 2 x 3 aAOowAane 4ta4 2x 5 ooog Inputting a Function with Parenthesis When you input any of the functions shown below it is automatically input with the open parenthesis character Next you need to input the argument and the closing parenthesis sin cos tan sin cos 1 tan sinh cosh tanh sinh cosh7 tanh log In e 104 V V_ Abs Pol Rec Rnd Example sin 30 LINE sintag sin 3 0 0 amp Pressing sin inputs sin e Note that the input procedure is different if you want to use Math format For more information see Inputting with Math Format Omitting the Multiplication Sign You can omit the multiplication sign x in any of the following cases e Before an open parentheses Q 2 x 5 4 etc e Before a function with parenthesis 2 x sin 30 2x V 3 etc e Before a variable name constant or random number 20 x A 2 x T etc Final Closed Parenthesis You can omit one or more closed parentheses that come at the end of a calculation immediately before the key is pressed For details see Omitting a Final Closed Parenthesis E 10 Displaying a Long Expression The display can show up to 14 characters at a time Inputting the 15th character causes the expression to shift to the left At this time the lt indicator a
48. y Digits Setting Norm1 or Norm2 The mantissa is rounded to 10 digits E 30 Display Digits Setting Fix or Sci The value is rounded to the specified number of digits Example 200 7 x 14 400 LINE 2 w w G o w o ag Specifies three decimal places sue uove 6 Fix 3 WOE The following performs the same calculation with rounding oww 0 Rnd Check rounded result WOE E 31 Transforming Displayed Values You can use the procedures in this section to transform a displayed value to engineering notation or to transform between standard form and decimal form E Using Engineering Notation A simple key operation transforms a displayed value to engineering notation lt 035 gt Transform the value 1 234 to engineering notation shifting the decimal point to the right lt 036 gt Transform the value 123 to engineering notation shifting the decimal point to the left E Using S D Transformation You can use S D transformation to transform a value between its decimal D form and its standard S form fraction 70 Formats Supported for S D Transformation S D transformation can be used to transform a displayed decimal calculation result to one of the forms described below Performing S D transformation again converts back to the original decimal value Note e When you transform from decimal form to standard form the calculator automatically decides the standard for
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