Aurora AX-582BL
Contents
1. 20 SHIFT S VAR gt gt gt 2 w Technical Information m When you have a problem If calculation results are not what you expect or if an error occurs perform the following steps 1 Press SHIFT CLR 2 Mode to initialize all modes and settings 2 Check the formula you are working with to confirm it is correct 3 Enter the correct mode and try performing the calculation again If the above steps do not correct the problem press the ON key The calculator performs a self check operation and deletes all data stored in memory if any abnormality is detected Make sure you always keep written copies of al important data m Error Messages The calculator is locked up while an error message is on the display Press CAJ to clear the error or press lt or gt to display the calculation and correct the problem See Error Locator for details a Math ERROR Causes Calculation result is outside the allowable calculation range An attempt to perform a function calculation using a value that exceeds the allowable input range An attempt to perform an illogical operation divided by zero etc Action Check your input values and make sure they are all within the allowable ranges Pay special attention to values in any memory areas you are using m Stack ERROR Causes The2. FIX SCI RND when a fraction calculation result is greater than one Pressing MODE MODE MODE MODE 1 Press the number key _1 or 2 that corresponds to the setting you want to use a c Mixed fraction d c Improper fraction An error occurs if you try to input a mixed fraction while the d c display format is selected m Percentage Calculations Use the COMP mode for percentage calculations Example 1 To calculate 12 of 1500 180 DI 1500x12 1500 x 12 SHIFT 180 Example 2 To calculate what percentage of 880 is 660 75 NJ D 660 880 SHIFT 660 880 4 Example 3 To add 15 onto 2500 2875 ka on DI 2500x15 2 875 2500 Lx 15 SHIFT L Example 4 To discount 3500 by 25 2625 D 3500 x 25 SHIFT 3500x4075 S lor IND ion Example 5 If 300 grams are added to a test sample originally weighing 500 grams what is the percentage increase in weight 160 300 500 SHIFT D Example 6 If the temperature changes from 4 300 500 centage did it rise How about to 48 C 15 20 160 46 40 SHIFT L a a Q zD 15 INNA 8G 48 40 oO InN iS m Degrees Minutes
3. Memory Calculations m Answer Memory Whenever you press after inputting values or an expression the calculated result automatically updates Answer Memory contents by storing the result In addition to Answer Memory contents are also updated with result whenever you press SHIFT M SHIFT M or SHIFT STO followed by a letter A through F or M X or Y You can recall Answer Memory contents by pressing Ans Answer Memory can store up to 12 digits for the mantissa and two digits for the exponent Answer Memory contents are not updated if the operation performed by any of the above key operations results in an error Consecutive Calculations You can use the calculation result that is currently on the display and also stored in Answer Memory as the first value of your next calculation Noted that pressing an operator key while a result is displayed causes the displayed value to change to Ans indicating it is the value that is currently stored in Answer Memory The result of a calculation can also be used with a subsequent Type A function x x8 x xD O0 x nPr nCr and m Independent Memory Values can be input directly into memory added to memory or subtracted from memory Independent memory is convenient for calculating cumulative totals Independent memory uses the same memory area as variable M To clear independent memory M input LO SHIFT ST
4. Correlation Coefficient r 0 982607368 SHIFT S VAR gt gt 3 Atmospheric Pressure at 18 C 1007 48 18 SHIFT S VAR gt gt gt Temperature at 1000 hPa 4 642857143 1000 SHIFT S VAR gt gt gt 7 R D n R D A 997 4 R B F D 0 56 R D 0 982607368 REG E 185 1 007 48 R D 1000 4 642857143 Coefficient of Determination 0 965517241 SHIFT S VAR gt gt BILAB Sample Covariance SHIFT S SUM gt 3 SHIFT S SUM 3 x SHIFT S VAR 1 x ISHIFT S VAR gt 1 gt SHIFT S SUM 3 J DIE 0 965517241 M x lt Logarithmic Exponential Power and Inverse Regression Use the same key operations as linear regression to recall results for these types of regression The following shows the regression formulas for each type of regression Logarithmic Regression y A B In x Exponential Regression y A e In y In A B x Power Regression y A x In y In A B In x Inverse Regression y A B x Quadratic Regression The regression formula for quadratic regression is y A Bx Cx Example xi yi 29 1 6 50 23 5 74 3
5. Other operations are performed from left to right Operations enclosed in parentheses are performed first m Stacks This calculator uses memory areas called stacks to temporarily store values numeric stack and commands command stack according to their precedence during calculations The numeric stack has 10 levels and the command stack has 24 levels A stack error Stack ERROR occurs whenever you try to perform a calculation that is so complex that the capacity of a stack is exceeded Example 2x 3 4x 5 4 3 5 8 1 qas 4 Oe 7 Numeric Stack Command Stack 1 2 1 x 3 2 4 3 5 4 4 5 x i g C 7 Calculations are performed in sequence according to Order of Operations Commands and values are deleted from the stack as the calculation is performed a Input Ranges Internal digits 12 Accuracy As a rule accuracy is 1 at the 10th digit Finat unctions Input Range DEG 0 lt x lt 10x10 sinx RAD 0 lt x lt 1 745329252x10 GRA 0 lt x lt 1 111111112x10 DEG 0 lt x lt 10x10 cosx RAD 0 lt x lt 1 745329252x10 GRA 0 lt x lt 1 111111112x10 DEG Same as sinx except when x 2n 1 x90 tanx RAD Same as sinx except when x 2n 1 11 2 GR
6. memory Input data using the key renga below lt x data gt lt y data gt D The values produced by a regression calculation depend on the values input and results can be recalled using the key operations shown in the table below To recall this type of value Perform this key operation De SHIFT S SUM 1 x SHIFT S SUM 2 n SHIFT S SUM 3 yy SHIFT S SUM gt J 1 dy SHIFT S SUM P 2 yxy SHIFT S SUM P gt 3 gt SHIFT S SUM gt P 1 Zx y SHIFT S SUM P A 2 yx SHIFT S SUM P P 3 x ISHIFT S VAR 1 xon SHIFT S VAR 2 xon 1 SHIFT S VAR L3 y SHIFT S VAR gt 1 yon SHIFT S VAR P 2 yon 1 SHIFT S VAR P 3 Regression coefficient A SHIFT S VAR gt PJ 1 Regression coefficient B SHIFT S VAR gt PI 2 Regression calculation other than quadratic regression Correlation coefficient r SHIFT S VAR gt P 3 x SHIFT S VAR gt gt gt 4 y SHIFT S VAR gt gt gt 2 in the case of quadratic regression The following table shows the key operations you should use to recall results To recall this type of value Perform this key operation Regression coefficient C
7. Seconds Calculations You can perform sexagesimal calculations using degrees hours minutes and seconds and convert between sexagesimal and decimal values Example 1 To convert the decimal value 2 258 to a sexagesimal value and then back to a decimal value 2 25802 2 258 2 258 2 258 p 2 258 Example 2 To perform the following calculation 12 34 56 3 45 12 12b 134p 156p 1 k 3 45 H ik TERO a N joo eo oa Example 1 200 7X14 200 7 x 14 400 z x 200 7x1 400 000 MODE MODE MODE ee N S x a BR D s A Internal calculation 200E 7 marie 28 571 D Ansx14 4 400 000 The following performs the same calculation using the specified number of decimal places continues using 12 digits x 14 E D TIX J77 200 7 200 17 l 28 571 DERN Internal rounding SHIFT Round 200 7 28 571 oma x 14E Anta S 7 Press MODE MODE MODE 3 to clear the Fix specification Example 2 1 3 displaying result with two significant digits Sci 2 MODE MODE MODE 2 2 DEN 1 3 HHBE 3 3 Press MODE MODE MODE 3 1 to clear the Sci specification
8. Sin 2 34x10 sin 2 34 EXA Q 5 Example 1 3X 510 1 510 DN 3 x 5 EXA O E 3x5E 9 1 509 DA 7 5x 9 7 Example 2 5X 9 7 80 You can skip all operations before m Fraction Operations Fraction Calculations Use the COMP mode for fraction calculations Values are displayed in decimal format automatically whenever the total number of digits of a fractional value integer numerator denominator separator marks exceeds 10 Example1 5 4 _ 7 2f a cl3 1 f d 4 atic 3 1 4 5 gt 6 716 D 3 5 5 J 54 2 7 15 Example2 2 1 2 ab c 4 4 2 2 e 5 i 6 Example 3 1 46 21 1 a c 2 1 6 2 DI 1 241 6 2 1 Results of calculations that mix fraction and decimal values are always decimal o Decimal Fraction Conversion Example 1 3 Decimal lt Fraction 2 75 2 B 2 75 a 2 55 75 2 75 b s e a 2 3 4 2 75 ISHIFT d c 11 4 Example 2 4 Fraction gt Decimal 0 5 2 B 1 2 a c 1 2 g 1 2 e Mixed Fraction Improper Fraction Conversion Example 2 5 3 73 Oa a Oa You can use the display setup Disp screen to specify the display format
9. ISHIFT S VAR gt gt 3 x1 SHIFT S VAR gt gt gt 1 X2 SHIFT S VAR gt P gt 2 y SHIFT S VAR P gt gt 3 way you use variables Linear Regression The values in the above tables can be used inside of expressions the same The regression formula for linear regression is y A Bx Example Atmospheric Pressure vs Temperature Atmospheric Pressure Temperature 10 C 1003hPa 15 C 1005hPa 20 C 1010hPa 25 C 1011hPa 30 C 1014hPa Perform linear regression to determine the regression formula terms and correlation coefficient for the data nearby Next use the regression formula to estimate atmospheric pressure at 18 C and temperature at 1000 hPa Finally calculate the coefficient of n 1 determination r and sample covariance 2 xy n X T In the REG Mode MODE 3 4 SHIFT CLR 1 Scl Stat clear 10 L 1003 D Each time you press DT to register your input the number of data input up to that point is indicated on the display n value 1010 D 1005 DT 20 154 25 1014 D 1011 DT 30 Regression Coefficient A 997 4 SHIFT S VAR gt gt 1 Regression Coefficient B 0 56 SHIFT S VAR gt gt 2
10. capacity of the numeric stack or operator stack is exceeded Action Simplify the calculation The numeric stack has 10 levels and the operator stack has 24 levels Divide your calculation into two or more separate parts Syntax ERROR Cause An attempt to perform an illegal mathematical operation Action Press lt q or gt to display the calculation with the cursor located at the location of the error and make required corrections m Order of Operations Calculations are performed in the following order of precedence 1 Coordinate transformation Pol x y Rec r 0 Type A functions With these functions the value is entered and then the function key is pressed L Sxl orn x x1 x2 ay Angle unit conversions Powers and roots x y a c Abbreviated multiplication format in front of m e natural logarithm base memory name or variable name 211 5A T A etc Type B functions With these functions the function key is pressed and then the value is entered log In e 10 sin cos tan sin cos tan sinh cosh tanh sinh cosh tanh Abbreviated multiplication format in front of Type B functions 2 3 Alog2 etc Permutation and combination nPr nCr xX O Operations of the same precedence are performed from right to left e In 729 se In 120
11. 8 0 103 46 4 118 48 0 Perform quadratic regression to determine the regression formula terms for the data nearby Next use the regression formula to estimate the values for ay estimated value of y for xi 16 and estimated value of x for yi 20 nthe REG Mode MODE 3 gt 3 Quad SHIFT CLR 0 Sch Stat clear 7 29 1 6 DT 50 23 5 DT 74 L 38 0 D 103 46 4 DT 118 L 48 0 D cinn Regression Coefficient A 35 59856934 SHIFT S VAR gt gt 1 35 59856934 Regression Coefficient B 1 495939413 SHIFT S VAR gt gt 2 1 495939413 Regression Coefficient C 6 71629667x10 SHIFT S VAR gt gt 3 7162966710 y when xi is 16 13 38291067 z Y ssai X 1 when yi is 20 47 14556728 R B 20 SHIFT S VAR A A E 2021 47 14556728 X 2 when yi is 20 175 5872105 REG 2022 175 5872105 Data Input Precautions DT DT inputs the same data twice You can also input multiple entries of the same data using S SHIFT To input he data 20 and 30 five times press 20 SHIFT 5 DT The above results can be obtained in any order and not necessarily that shown above Precautions when editing data input for standard deviation also apply for regression calculations
12. A Same as sinx except when x 2n 1 x 100 sin x A OS x S1 cos X tanx 0S x 9 999999999x10 inh snx 9 lt x lt 230 2585092 coshx sinh x a 7 O lt S x 4 999999999x10 cosh x tanhx 0S x 9 999999999x10 tanh x 0S x 9 999999999x10 Log x Inx O lt x 10 9 999999999x 10 lt x lt 99 99999999 e 9 999999999x 10 SxS230 2585092 vx 0 lt x lt 1x10 x Ixl lt 1x10 1 x Ix lt 1x10 x0 Ux Ix lt 1x10 x 0 S x lt S 69 xis an integer Be 0Sn lt 10x10 r lt n n rare integers 1S n n r S 9 999999999x10 r 0S n lt 10x10 r lt n n r are integers 1S n n r S 9 999999999x10 x ly amp 9 999999999x10 Pol ol xy O24 y lt 9 999999999x10 lt r lt 99 Rec r 9 osrs 9 999999999x10 8 Same as sinx ern al b c lt 1x10 O0 b c x lt 1x100 T Decimal gt Sexagesimal Conversions orm 0 0 0 S x S 999999 5959 x gt 0 1x10 lt y log x lt 100 x 0 y gt 0 x x lt 0 y n 1 nis an integer 2n 1 However 1x10 lt y log x lt 100 y gt 0 x 0 1x10 lt 1 x log y lt 100 ly y 0 x gt 0 y y lt 0 x 2nt1 n 0 nis an integer n However 1x10 lt 1 x log y lt 100 Total of integer numerator and denominator must b alle be 10 digits or less including division marks sD Ix lt 1x10 xon yon X y REG ly lt 1x10 A B
13. AURORA OPERATING MANUAL For use with AX 582 Twin line scientific calculator Printed in China 9220250 Removing and Replacing the Calculator s Cover e Always slide the keyboard end of the unit into the cover first Never slide the display end of the unit into the cover e Holding the cover as shown in the illustration slide the unit out of the cover before use Picture 1 e Holding the cover as shown in the illustration slide the unit out of the cover after use Picture 2 Precautions e Don t expose the machine to water direct sunlight extremely hot or cold temperatures or dusty environments e Don t drop the machine or subject it to heavy impact e Use a soft cloth to clean the machine Do not use detergents Two line Display ame ii me T oO The two line display makes it possible to view both the calculation formula and its result at the same time e The upper line shows the calculation formula e The lower line shows the result Before Starting Calculations m Modes Application Mode Apis Operation Calculation Mode Normal calculations COMP MODE 1 Standard deviation sD sD MODE l2 calculations Regression calculations REG REG MODE 3 Angle Unit Modes Degrees DEG D MODE MODE 1 Rad
14. IFT 10 1 5 21 4 l 0 089905111 In 90 22 026 46579 31 6227766 N o 5 2 3 5 fo a z 3 2 J 2N 5 E 12 i O gt aA i er O D x N m Square Roots Cube Roots Roots Squares Cubes Reciprocals Factorials Random Numbers 1 and Permutation Combination Example 1 2 3x 5 5 287196909 Example 2 3 5 3 27 Example 3 4 123 Y12GIWZI3hMWI5E 1 290024053 D 2 V3xV5 4 5 287196909 SHIFT C715 G SHIFT PIM 27 1E 1 1237 1 988647795 7 SHIFT PZ 1 Example 4 123 30 1023 23 4 B 7123 1 988647795 2 1234307 x 1 023 123 30 Example 5 12 1728 DI 12 QE 12 A A 1 728 Example 6 777 3 4 D G3 LE 4 ex 1 Example 7 8 40320 al A E 8 SHIFT X 40 320 Example 8 To generate a random number between 0 000 and 0 999 ISHIF Ran The above value is a Example 9 311 9 424777961 B Ran a 0 96 sample only Results differ each time 3 SHIF T using the numbers 1 through 7 Nu 4 digit value 1234 is allowed but 1123 is not 9 ASAT 840 7 SHIFT nPr 4E Example 11 v R gt E R 2 organized in
15. NGI Scl memory Input data using the key sequence shown below x data gt Example 10 To determine how many different 4 digit values can be produced mbers cannot be duplicated within the same To determine how many different 4 member groups can be converts the displayed value to the corresponding D 2 9 60 to rectangular E to display the value of y v3 to polar coordinates r F to display the value of 8 to enter the SD Mode for statistical calculations using to clear statistical Input data is used to calculate values for n yx x X xon and xon 1 which you can recall using the key operations noted nearby To recall this type of value Perform this key operation x gt x n x xon xon 1 SHIFT S SUM 1 SHIFT S SUM 2 SHIFT S SUM 3 SHIFT S VAR 1 2 3 SHIFT S VAR SHIFT S VAR Example To calculate xon 1 xon x n x and gt x for the following data 55 54 51 55 53 53 54 52 In the SD Mode SHIFT CLR O 55 Scl Stat clear D D D t n Each time you press DT to register your input the number of data input up to that point is indicated on he display n value 54 DT 51 DT 55 D Dw n 53 DT DT 54 DT 52 D Sam
16. O M M Example M D a 23 9 32 23 E 9 SHIFT ETO M arg 32 M D 53 6M 7 E iN 53 6 47 53 6 M 45x2 90 45 x 2 SHIFT M Total 11 RCL M C yarlanies There are nine variables A data constants results and other values Use the following operation SHIF ISTO A Perform the following key assigned to all of the variables Example 193 2 23 8 4 Scientific Function Calculations Use the COMP mode for Scient Wait for the result to appear on 193 2 SHIFT to delete data assigned to a particular variable 0 This operation deletes the data assigned to variable A operation when you want to clear the values SHIFT CLR 1 Mel E 193 2 28 6 9 STO A L 23 IALPHA A 28 11 hrough F M X and Y which can be used to store 6 9 ific Function calculations he display before starting the next calculation e Certain types of calculations may take a long time to complete e e z 3 14159265359 m Trigonometric Inverse Trigonometric Functions To change the default angle uni IMODE MODE 2 Press the number key 1 eases r
17. a group of 10 individuals 210 10 nCr D 10C4 z 210 4E m Angle Unit Conversion Press SHIFT DRG 1 2 ay Pressing angle unit Example To conver Z or to display the following menu D R G 3 4 25 radians to degrees ae by 4 25 SHIFT DRGP 2 R JE 75543 5070629 C Coordinate Conversion Pol x y Rec r Calculation results are automatical ly assigned to aie E and F Example 1 coordinates x To conver y Deg polar coordinates r x 1 SHIF Rec 2 60 D Rec 2 60 3 y 1 732050808 RCL Press RCU E to display the value of x or RCO Example 2 To convert rectangular coordinates 1 8 Rad i 32050808 r 2 Z 3 Pol 1L 1 047197551 RCL Press RCL E to display the v 1 oar 97551 alue of r or RCL a Engineering Notation Calculations Example 1 To convert 56 088 meters to kilometers 56088 Example 2 To convert 0 08125 0 08125 Statistical Calculations n Standard Deviation Press MODE 2 standard deviation Always start data input with SHIFT CLR O ENG 56088 5 6 088 10 grams to milligrams 0 08125 81 2510 E
18. adians grads press the or fee that corresponds to the angle unit you want O use 90 11 2 radians 100 grads Example 1 sin63 52 41 0 897859012 MODE MODE gt r oH oT orm aneza Sin 63 52 41 Be ata Example 2 cos fad 0 5 ODE MODE 2 gt PI Cos SHIFT m 3 DE Cos 13 0 5 J T Example 3 cos 25m rad ra MODE monga E SHIFT cos 0 M 2 E 2 0 Ans E SHIFT 7 E PI Ansem 0 25 Example 4 tan 0 741 36 53844577 OD gt s SHIFT tan 0 741 m Hyperbolic Inverse Hyperbolic Functions Example 1 sinh 3 6 18 28545536 sin 3 6 hyp Example 2 sinh 1 30 4 094622224 SHIFT sin 30 hyp tan 1 0 741 36 Les 18 28545536 4 094622224 CA 2 I I F faete w w 9 D D Common and Natural Logarithms Antilogarithms Example 1 log 1 23 0 089905111 log 1 23 Example 2 In 90 log 90 4 49980967 In 90 Ine 1 In ALPHA Le Example 3 e Example 4 10 31 6227766 Example 5 24 16 22026 46579 SHIFT e 10 ISH
19. apacity is 128 ates for storage of both expressions and results Replay memory is cleared by any of the following actions 1 When you press the LON key 2 When you initialize modes and settings by pressing SHIFT CLR 2 Mode 3 When you change from one calculation mode to another 4 When you turn off the calculator Error Locator Pressing gt or lt after an error occured displays the calculation with the cursor positioned at the location where the error occurred Multi statements A multi statement is an expression that is made up of two or more smaller expressions which are joined using a colon Example To add 2 3 and then multiply the result by 4 2 F B ALPHAl Ans X 4 E o 3 F Ansx4 Exponential Display Formats This calculator can display up to 10 digits Larger values are automatically displayed using exponential notation In the case of decimal values you can select between two formats that determine at what point exponential notation is used Pressing MODE MODE MODE 3 4 or 2 press 1 to select Norm 1 or for Norm 2 Norm 1 Wit
20. ect Deg Rad Gra current calculating 1 2 3 angle unit Degrees radians or grads Press 1 3 key to settle No of Decimal Place Fix Sci Norm specification No of 1 2 3 significant Digit Specification or Exponential Notation Press 0 9 to select MODE MODE MODE MODE MODE MODE MODE MODE 1 Fix 0 9 Decimal Place specification Press 0 9 to select No MODE MODE MODE 2 Sci 0 9 of significant digital specification Press 1 2 to select exponential display status and exit MODE MODE MODE 3 Norm 1 2 Decimal Place Specification and Significant Digital Specification status Press 1 2 to select and E E E make sure the display MODE MODH MODE oog n mode when the MODE 1 calculating result is more than 1 MODE IMODE IMODE Dot Comma Press 1 2 to select the 2 display status of MODE 1 gt 1 Separator Symbols npt Capacity The memory area used for calculation input can hold 79 steps One step is taken up each time you press a number key or arithmetic operator key X A SHIFT or ALPHA key operation does not take up a step so inputting SHIFT _ takes up only one step You can input up to 79 steps for a single calculation Whenever you input the 73rd step of any calculation the cursor changes
21. egisters the value you input as a new data item and leaves the old value as it Is You can delete a data value displayed using A and Y by pressing SHIFT CU Deleting a data value causes all values following it to be shifted up Data values you registered are normally stored in calculator memory The message Data Full appears and you will not be able to input any more data if there is no memory left for data storage If this happens press the display the screen shown below Edit OFF ESC 1 2 key to Press 2 to exit data input without registering the value you just input Press if you want to register the value you just input without saving it in memory If you do this however you will not be able to display or edit any of the data you have input To delete data you have just input press SHIFT CL m Regression Calculations Press MODE 3 regression types 2 or 3D YILI colino Always start dat w input with SHIF o enter the REG Mode and then select one of the following Lin Linear regression Log Logarithmic regression Exp Exponential regression 1 Pwr Power regression 2 Inv Inverse regression 3 Quad Quadratic regression ICLR Scl to clear statistical
22. from _ to W to let you know memory is running low If you need to input more than 79 steps you should divide your calculation into two or more parts Pressing the Ans key recalls the last result obtained which you can use in a subsequent calculation See Answer Memory for more information about using the Ans key Making Corrections During Input Use gt and lt to move the cursor to the location you want Press DEL to delete the number or function at the current cursor position Press SHIFT INS to change to an insert cursor O Inputting something while the insert cursor is on the display inserts the input at the insert cursor position Pressing SHIFT NS or returns to the normal cursor from the insert cursor Replay Function Every time you perform a calculation the replay function stores_ the calculation formula and its result in replay memory Pressing the A key displays the formula and result of the calculation you last performed Pressing Alagain back steps sequentially new to old through past calculations Pressing the gt or lt key while a replay memory calculation is on the display changes to the editing screen Pressing the gt or lt key immediately after you finish a calculation displays the editing screen for that calculation Pressing CA does not clear replay memory so you can recall the last calculation even after you press C Replay memory c
23. h Norm 1 exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than two decimal places Norm2 With Norm 2 exponential notation is automatically used for integer values with more than 10 digits and decimal values with more than nine decimal places All of the examples in this manual show calculation results using the Norm NJ 1 format Decimal Point and Separator Symbols You can use the display setup Disp screen to specify the symbols you want for the decimal point and 3 digit separator To change the decimal point and separator symbol setting press the MODE MODE MODE T gt Press the number key 1 or 2 that corresponds to the setting you want to use Dot Period decimal point comma separator 2 Comma Comma decimal point period separator m Initializing the Calculator Perform the following key operation when you want to initialize the calculation mode and setup and clear replay memory and variables ISHIFT CLR 3 All Basic Calculations m Arithmetic Calculations Use the COMP mode for basic calculations Negative values inside of calculations must be enclosed within parentheses Sin 1 23 gt sin _C 1 23 D Itis not necessary to enclose a negative exponent within parentheses
24. ians RAD i MODE MODE 2 Grads GRA IMODE MODE 3 Display Modes Exponential notation NORM1 IMODE MODE MODE 3 1 canceling FIX and SCI specification NORM2 IMODE MODE MODE 3 2 Number of decimal place specification FIX Fix IMODE MODE MODE 1 Number of significant A digit specification SCI Sci IMODE MODE IMODE 2 e Mode indicators appear in the upper part of the display e The COMP SD and REG modes can be used in combination with the angle unit mode e To return the calculation mode and setup to the initial defaults shown below press SHIFT CLR 2 MODE Calculation Mode COMP Angle Unit Deg Exponential Display Format Norm 1 Fraction Display Format a c Decimal Point Character Dot e Be sure to check the current calculation mode SD REG COMP and angle unit setting Deg Rad Gra before calculating m MODE Key Operation and Display Operation Display Instruction Pressi 3 key to pleci the status of Normal IMODE ea S RES Calculation Standard Deviation or Regression Pross 1 3 key to select the status of Linear MODE 3 Lin Log Exp regression Logarithmic 1 2 3 regression or exponential regression press 1 3 ke to select the status of Power MODEJ 3 gt Pwr Inv Quad regression Inverse regression or Quadratic regression Press 1 3 key to sel
25. ple Standard Deviation xon 1 1 407885953 D SHIFT S VAR 3 xon 1 1 407885953 Population Standard Deviation xon 1 316956719 D D xon SHIFTIS VARI2 1 316956719 Arithmetic Mean X 53 375 a SHIFT S VAR 1 x Number of Data n 8 53 375 D D SHIFT S SUM 3 n Sum of Values x 427 i D N SHIFT S SUM 2 E 2x f Sum of Squares of Values x 22805 SHFTISSUM1E se P Y 22 805 Data Input Precautions DT DT inputs the same data twice You can also input multiple entries of the same data using SHIFT G To input the data 110 ten times for example press 10 SHIFT C 10 DT 1 You can perform the above key operations in any order and not necessarily that shown above While inputting data or after inputting data you can use the A and keys to scroll through data data using SHIFT ou have input If you input multiple entries of the same to specify the data frequency number of data items as described above scrolling through data shows both the data item and a separate screen for the data frequency Freq You can then edit the displayed data if you want Input the new value and then press ree key to replace the old value with the new one key instead of Pressing the DT after changing a value on the display r
26. r n40 In lt 1x10 xon 1 yon 1 n 0 1 For a single calculation calculation error is 1 at the 10th digit In the case of exponential display calculation error is 1 at the last significant digit Errors are cumulative in the case of consecutive calculations which can also cause them to become large This is also true of internal consecutive calculations that are performed in the case of x Wy xl V nPr nCr etc In the vicinity of a function s singular point and point of inflection errors are cumulative and may become large Replacing 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 become dim qr F Press SHIFT OFF to turn off power Remove the screw from the battery cover Open the battery cover Take out the old battery Place the new battery into the machine with positive pole upward Close the battery cover Replace the screw 8 Pressing On key to turn on the power Ea a i ai a NO Power off Automatically When no key is pressed for 6 minutes under Power On situation calculator will be powered off automatically Press ON to turn on the machine again Specifications Power Supply LR44 2 3 0V Power Consumption 0 003W U
27. sable temperature 0 40 C Size L153 x W80 x H14 mm Weight 87 g hard cover is not included Producer Aurora Electronics UK LTD Unit 1 amp 2 Shires Industrial Estate Lichfield Staffordshire WS14 9AZ U K
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