Casio Calculator FX-115W User's Manual
Contents
1. Example 1 sinh 3 6 se 3 6 E 1828545536 Example 2 sinh 30 taj Gurr s 30 ERI 4 094622224 14 E Angle Unit Conversion Press 69r E2 gt to display the following menu ce 3 Pressing a 3 or 3 converts the displayed value to the corresponding angle unit ees To convert 4 25 radians to degrees f mo fo f 3 gt fi 25r 4 25 E 5 CD R EB 245 5070629 E Common and Natural Logarithms Antilogarithms Example 1 log 14 23 Ca 1 23 E 0089905111 0 0 089905111 Example 2 in 90 log 90 soe 4 49980967 Example 3 e amp e 10GB 2202646579 E RE E 316227766 Example 5 2 22048 p Roots Cube Roots Roots _ Squares Cubes Reciprocals Factorials Random ames ane T RUE LI2 4 ax 45 7 Fla En DIAN 5 287196909 Example 2 S 5 4 9737 sen 33 5 EN br e 25 xi a 1 290024053 bs 100W De 115W Y RUM E Example 3 4123 a 123 Example 4 123 30 l 2 RBB so E3 3023 Example 5 123 120353 1728 e ee ae Exam le 6 Bod m p d m Spasova 3 Example 7 8 86 x ES V Example To generate 2 a random number between 0 000 and 0 999 er o ES 0 664 Example tresults differ gach time Example 9 3x 360 E38 9424777961 M FIX SCI RND Example 1 200 7x14 400 20089768 1458 007 deem 253019 al Caiculation continues using 10 28 571 dispiay digit2. M pas d E 11 Bi Variables A eee AA Fraction Calculations pO MCA ERE Lac E Fraction Calculations EU ME Ve WDecimalito Fracti n Conversion A 12 MFracti n to Decimal Conversion A F lt Percentage Calculations sss 13 Scientific Function Calculations 14 H Trigonometric Inverse Trigonometric Functions 14 Mi HyperbolicAnverse Hyperbolic Functions 14 E Angle Unit Conversion RM 15 M mmn and Natural Logarithms 5 Antilogarithms i FO mSquaie Roots Cube Roots Roots Squares Cubes Raciprocals F actonals Random Numbers and v dias O E MIX SCl AND O n ep APR NENG Calculations A if Minputting ENG Calculation Synibols deus T E Coordinate Conversion Poltx y Rec 8 ee 18 is e AR rei A T8 o uc eoe adden A Statistical Calculations oonooonnnenmrnmncinecanenoos 19 Standard Deviation SD Mode 00 0 t9 M Probability Distribution Calcutations 20 MRegression Calculations REG Moda 21 Complex Number lion CMPLX Mode PEC TCR Absolute ValuelArgument G lculati r Formula Memory ener Metric Conversions fx 570W x 991W y S Scientific Constants ica e E 26 Base Calculations D l Integration Calculations died E Degrees Minutes Sacohds Calculations 30 Technical information En EEEE E When you have a probl ni o lI
3. it into the unit with the posi tive Q side fece up so you can see it Replace th back cover and secure it in place with the six Screws Press 0 to turn power on Be sure not to o skip this step e34e lt fx 570W gt This calculator is powered by single G13 Type LEA but ton battery 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 To replace the battery D Press 6 to turn power off 2 Removethe two screws that hold the battery cover in place and then remove the battery cover 3 Remove the old battery Wipe off the side of new battery with dry soft cloth Load it into z theunit with the positive side facing up so you can see it 5 Replace the battery cover and secure it in place m the two screws 5 6 Use a thin poiniei object to press the P button Be sure not to skip this step Press GW to turn power on Screw P button e35e lt fx 1 00W gt This calculator is powered by singte AA size battery 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
4. Error Messages 7M Order of Operations MONEDAS E Stacki mu is d M Power Supply i i MM input Ranges indc UL ME tU all Specifications PIRE PROS E You can simultaneously cl id the calculation formula and its answer The first line displays the calculation formula Th second line displays the answer e t lt tx 570W gt OSA ge es PEE S er 38 S MEME M Ma he Nagata Siar AE ane lt ix 991W gt A 12 y RE a x LOGIC CONV a D Gs Page 3 27 PM uud ES C in Page 12 15 16 15 15 Page n 3011 i 4 EUM os MK au sig cos EA EM 5 30 14 dece SD E m bua E E FA ae sg e M veh e m Sr e Qi p wh ui qe nm c Cn sf jm B re E sl gt Ty o Aag d x TAL MC a INS Mic m mb f Page E WO 0g o0 g cos DELI e pXemom Lic 0 0o nPr o 2 ct BW ya K Modes arreen annara i Calculation Modes a Normal calculations COMP Complex number Name calculations s Standard deviation calculations sg Regression caloulations REG REG Base n calculations BASE N b binary lm em em e o octal d decimal 1 H hexadecimal Angle Unit Modes E l E DEG Di Radians RAD Gl des GRA Display Modes Exponential notation Canceling FiX and
5. battery as scon as possible when display figures become dim To replace the battery Press SF to turn power off Remove the six Screws thathold the back cover in Screw Screw place and then remove the back cover m Remove the ola battery a Loada new battery into the unit so it s positive D and negative O sides are tac ing correctly o Replace the back cover and secure it i in place with the six screws SP Usea thin pointed object P button to press the P button Be sure not to skip this step o Press to turri power on Auto Power oft Calculator power aoni turns off if you do not per form any operation for about six minutes When this hap pens Labio dol W fx HSW el tum power back on 36 E input Ranges Internal digits 12 Accuracy As a rule accuracy is 1 at the 10th digit Functions sd u a na A ve AI A AAA n E FDO NA NO A Same as sinx except when E 25 1 x 80 Same as sinx except when x 2n 1 x 72 Same as sinx except when x 2 1 100 Eu o Erie 5 4 999999999x 10 en c mS n 59 999999999 x 107 Oz x d x10 Exp Tx 10 als 1x 108 x0 TEE AER Pa Oa A A A A A A A A A AA AA AAPP RR PP A A A AAA A HH RRR Functions SER menge reenact n m nt a S S m 9 Same as sinx cosy Mm manna jal b C 1x10 Decimal Sexagesim
6. the values for es timated value of y for xi 16 and X estimated value of D tor Via 20 ui Bi Enter REG mode Quadratic regression Ei e 22 05 37 ewy Se E 2910 4 617 so 7 74 38 0 uos E 46 4 on Regression Coefficient A En La 3 3559856934 Essi Regression Gostin E ES aomiecarcao DATE TENET T a 0 2O ES X when yi 20 EP fur 31 175 5872105 Data Input Precautions BT 07 inputs the same data twice You can aiso input multiple entr es of the same data us ing 693 3 To input the data 20 and 30 five times for example press 20 3 30 6 5 5 pr The above results can be obta ned in any order and not necessarily that shown above To delete data you have pue input press et Press P939 2 to enter the CMPLX Mode for calculations that include complex numbers You can use variables A B C and M only Variables D E F X and Y are used for storage of the i imaginary parts of values and so cannot be used by you 230 Example 2 37 4 Si Enter CMPLX Mode teu 2 ESFi t 3000 88 a 4 e wees Real number peut imaginar number part E Absolute Value Argument Calculation The procedur described below can be used to deter mine the absolute value Abs and argument arg for a complex number of the format Z a bi which s pre Sumed to exist as coordinates on a Gaussian plane Example To obta n the absolu
7. you are not in the ENG mode inputs the exponen tial value in the Unit column without inputting the ENG symbol Example 9 10 09m nmi wow in ts ENG modo even Sid ro ENG calculation e esults are ae 6d usina ENG symia m Coordinate Conversion Polis s Rec lr 8 Calculation results are automatically assigned to vari ables E and F Sia Seat T to eena ordinales x y DEG Ai buc v ESSE n ned ta E a Ge swaps gt displayed value with value in memory Example 2 To convert recam Looide nias 1 43 to polar coordinates 6 RAD mode emo E 18e 8 pot e E 1047197551 o 8 CE LE swaps displayed value with value in memory T Permutation g Example To determine haw many different 4 digit val ues can be produced using the numbers 1 through 7 Numbers cannot be duplicated within the same 4 digit id value ioe 234 is allowed but 1123 is dues B Combination Example To determine how many different 4 member JEU can be a organlzec n in a group of 10 individuals MN Standard Deviation SD Mode e Press fox m3 4 to enter the SD Mode for statistical calculations using standard deviation Data input always starts with se ESI to clear statisti cal memory TE gt Input data is used to calculate values for n Ex EX X On and Gn 1 which you can a n recall using the ix ener noted ra E 7 nearby B 21908 Exa
8. 1W Operating Temperature 0 C 40 C 32 F 104 F 39e
9. 74 25e Conversion Pair Table Based on ISO Standard 1992 data and CODATA Bulletin 63 1986 data Number Conversion Pair 02 emi Lm ism 7 9 m f Number Conversion Pair a ima EN uncle IA km h m s A total of 40 commoniy used scientific constants such as the speed of light in a vacuum and Planck s constant are built in for S and easy lookup whenever you need them Simply input the number that corresponds to the scier tific constant you want to look up and it appears instantly on the display See the Scientific Constant Table on pages 27 and 28 for a complete list of available constants l e26e Example To determine how much total energy a per son weighing 65kg has E mc CONST2B 28 28 is the speed of bafi in vacuurm Constant number E500 ES 5841908662 Scientific Constant Table Based on ISO Standard 1992 data and CODATA Bulletin 63 1986 data Number OF A oo o o oo E A M arme era mm m T Romie mass unit proton magnetic moment 1 BO 19 electron n magnetic moment 20 neutron magneti moment Moe i ae 91 muon magnetic moment HH 22 Faradayconstant OF me a27e Number 23 In addition to decimal values calculations can be per formed using binary octal and hexadecimal values You can specify the default num
10. ES returns to the normal cur sor r from the insert cursor Replay Function Pressing 5 OF a recalls the last calculation YOu per i formed You can then make any eres you want in the calculation and re execute it Pressing Gi does not clear Replay memory so youc can recalithe last calculation even after you press B9 Replay memory is cleared whenever you start a new caiculation change to another mode or turn off power ege B Error kocator calculan with ifia cursor cal al the echan where the error occurred 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 gea at what Er sim notation ette qeeisaee qmm progos NORM 1 Of NORM e NORM 1 With NORM 1 exponential notation is automatically used for integer values with more than 10 digits and decimal val es with more than two decimal places NORM 2 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 re sults using the NORM 1 format 8 Answer Memory Whenever you press ES after inputting values or an ex pression the calculated resuit is automatically stored in Answer Memory You can recall Answe
11. SCI specification Number of decimal plac specification Number of significant digit specification Exponential display range specifications Te Note Mode ifidi icators Spear inthe lower part af the displ y except for the Base z indicators which appear in the ex ponent part of the display The ENG mode cannot be selected while the calculator is in the CMPLX or BASE N mode ENG meet sge You cannot set the angle unit or the display mode while the calculator is in the BASE N mode The COMP CMPLX SD and REG modes can be used in combination with tie angle unit modes Besureto checkthe current calculation mode SD REG COMP CMPLX and angle unit mode DEG RAD GRA before aa a calculation E pit Capacity The memory area used for calculation input can hold 79 steps Whenever you input the 73rd step of any calcu lation the cursor changes from to MP to let you know memory is running low if you still need to input more _ you should divide your calculation into two or more parts E Making Corrections During input a Use IET and 9 to move the cursor to the location you Want Press a to delete the number or funcion at the current Cursor position Press 7 SI to change to an insert cursor 1 Inputting Sorn thing while the insert cursor s on the display in sets the input atthe insert cursor position Press C e 9 US or
12. al Conversions jOOos x 1999999590 nx T X20 1x10199 091 100 xe20 y 0 oss SOL YI S43 a ls an integer E However 1x10 lt Vog xj 100 on 23 yx 0 e ot X109 1x logy lt 100 y yz0 x20 O17 yO am2n4 1 57 n 0 n is an integer j However 1 x10 lt Yrlogiyi lt 100 Total of integer numerator and denominator must be 10 digits o or less including division marks ide 1x 109 lyi lt jx109 qune Ax 10 a Xc n YOR X y AB r nt 0 ar XO 5 1 YQ AE OT Erosa are e cumulative with such internal continuous cal culations as x Y xl and x so accuracy may be adversely a affected E o389 Power Supply fx 100W Single AA size battery REP SUM 3 fx 570W Single G13 Type button battery LR44 fx A15W fx 991W Solar cell and a single G13 Type button bat tery LRA4 Battery Life fx 100W Approximately 17 000 hours continuous dis play of flashing cursor Approximately 2 years when left with power tumed off fx 570W Approximately 12 000 hours continuous dis play of flashing cursor Approximately 3 years when left with power turned otf fx 115W 1x 991W Approximately 3 years 1 hour use per day Dimensions 1x 100W 19 2 H X76 W X154 D mm Sa H x a W x67Ae D fx 115W fx 570W fx 891W TO HYX 76 W x150 D mm 3 8 H X W x 5 e D Weight fx 100W 1149 402 including battery fx 115W tx 570W fx 991W 859 3oz including battery Power Consumption 0 000
13. ber system to be ap plied to all input and displayed values and the number system for individual values you input You cannot use scientific functions in binary octal deci mai and hexadecimal calculations You cannot input val ues that include decimal part and an exponent If you input a value that includes a decimal part the unit automatically cuts off the decimal part Negative binary octal and hexadecimal values are pro duced by taking the two s complement You can use the following logical operators between values in Base n calculations and logical product or logical sum xor exclusive logical sum xnor texctu sive logical sum negation Not negation and Neg mi nus e28e gt The following are the allowable ranges for each of the available number systems BINA 1000000000 z xs 1111111111 BA 0 i x x 0111111111 Octal PU 4000000000 5x TIITITTIIIS B iS 0315 3777777777 Decimal 2147483648 x x x 2147483647 Hexadecimal 80000000 X g FFFFFFFF 03 xa ZPFFERFFF Example 1 To perform the SiO calculation and produce a binary result 101112 11010 Binary mode for neos 73 ieu a 110001 Exampie 2 To perform the following calculation and pious an octal result 7654 AE C 7 Odalmode AANE E ism LE d e3 Example 3 To perform the following calculation and produce a eant aos 12016 oF 31012 a a 239 The following four inputs are required
14. ck of the cal l culator step 6 on page 35 or 36 before using it for the first time 1x 570W tx 100W Be sure to press the 4 key before using the calcula tor for the first time fx 991 WItx 115W Even if the calculator is operating normally replace the battery atleast once every three years for the 1x 570W7 fx 991W tx 115W or at least once every two years for the fx 100W Dead battery can leak causing damage to and malfunc tion of the calculator Never leave the dead battery in the Calculator The battery that comes with the calculator when you purchase it is for testing only It may not provide full service life l Low battery power can cause memory contents to become corrupted or lost completely Always keep Written records of all Important gata eve 74 Avoid use and storage in areas subjected to tempera ture 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 come exposed to very high temperatures Heat can cause discoloration or deformation of the calculators case and damage to internal circuitry Avoid use and storage 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 humi
15. die E AAA AAA AAA bh as a a a SE E E E ss ea eeeee ees KERE OSH RHEE EER EEE DES fel 00W fx 115W fx 570W fx 991 W User s 609900502306089490056060062222 ERE 090 6060292 o c 906060942009 amp 8 429202262022 STEEL ESTI TAE AE EAT O ES E E E E te 9 4 9 II E E 9 4 9 35 9 31 9 9 8 9 8 b b B5 ko 9 so9 9 9 9 P 9 ko 5 E 4 Boh Ww v o oa CASIO To Remove the cover Grasp the top of the cover and slide the unit out from the bottom To Replace the cover Grasp the top of the cover and slide the unit in from the bottom Always slide the unit into the cover with the unit s display end first Never slide the keyboard end of the unit into the Cover CASIO ELECTRONICS CO ETD Unit 6 1000 North Circular F Road London NW2 73D U K Mati imma ame en err AS AV MAP RAM AI IA E o e t Be sure to read the following safety precautions betore using this calculator Keep this manual handy for later ref erence This symbol is Used to indicate information that can resulti in persone injury or material damage if ignored Batteries e After removing the batteries from the calculator put them in a safe place where there js no danger of them getting inte the hands of small children and d accidently swallowed Keep batteries out of the reach of small children If essaien
16. dity or dust Such elements can damage internal circuitry Never da the calculator or otherwise subject it to strong impact Never twist or bend ihe calculator Avoid carrying the calculator i in the pocket of your trou sers or other tight fitting clothing where it might be sub jected to twisting or bending Never try to take the calculator apart Never press the keys of the calculator with a ball point pen or other pointed object Use a soft dry cloth to clean the exterior of the unit MR the calculator becomes very dirty wipe it off with a cloth moistened in weak solution of water and a mild neutral household detergent Wring out all excess mois ture before wiping the calculator Never use thinner ben zine or other volatile agents to clean the calculator Do ing So can remove XP markings and damage the case eje Safety Precautions ueuuu poison d Handiing Precautions DOES 2 Two line Display TN T Key Layout ERST Before Starting Calculations 8 M Modes PL CNN 8 E input Capacity enr dca ves 9 E Making Corrections During Input cnc 9 AAA vbt tote ee 8 E Error Locator ii O A E A 10 Exponential Display Formale PNE cust 10 li Answer Memory bie apo pus MUR CIE BESOIN 1 Basic Calculations A A 14 Memory Calculations med Mi Independent Memory
17. eparator marks exceeds 10 Example 1 vie PS A Example 2 F 14 6 Fraction decimai calculation results are always decimal B Decimal to Fraction Conversion Example 2 75 3 2 275 3 wes eel n Fraction to Decimal Conversion gt Example 9 0 5 Fraction Decimal LI e125 Use the COMP mode for percentage calculations Example 1 To calculate 1296 of 1500 1500 ES 12 sr 180 Example 2 To calculate what percentage of 880 is 660 scot soe 3 Example 3 To add 15 onto 2500 2875 2500 E3 158050 2 ES NIE 3500 by 25 Uc t 8500 8 25 60 X ES Example 5 if 300 grams are added to a test sample originally weighing 500 grams what is the percentage increase in cn 300 500 500 x 100 160 som 600 28 08 180 Example 6 if temperature changes from 40 C to 46 C what PEO did it rise 46 40 5 o 40 DX 100 15 sasso x e13 e Use the COMP mode for scientific function calculations 723141 59265359 B Trigonometric Inverse Trigonometric Functions isa 1 sin6352 41 Moi gt E 9 633 62 E7 41 E 0 897859012 Example 2 cos E rad Mia Y DTB OB es i qe ain om Example 3 cos og ea rad Bed a feat 2 Y amp E 00 2 E o CO ES 0 785398163 RE Example 4 tan 0 741 ded B m 1 o Aem Ca nr D 741 ES 36 53844577 Hyperb lic inver e Hynedbali Functions
18. for integration cab culations a function with the variable x a and b which define the integration range of the definite integral and n which is the number of partitions equivalent to N 2 for integration pu 2 rule oemt SF bonoen Use ihe COMP n mode tor integration calculations De To calculata IN 2x 3x 8 dx ue 2 amp X Ras 3 8 0 A ses o 150 6666667 Note You can specify an integer in the range of 1 to 9 as the number of partitions or you can skip input of the number of partitions entirely of you want Internal integration calculations may take considerable time to complete l Display contents are cleared while an integration calcu dation is being performed internally You can pestotin dia celoulations 1 using deus hours minutes and seconds and convert between sexagesimai and decimal values Example 1 To conven the decimal value 2 258 to a sexagesimal value 2258 E3 2258 2 15 28 8 e Example 2 To perform the following calculation 12 34 56 x 3 45 1207 34 E 567 EB 3 45 E3 4324312 9309 E When you have a probiem if calculation results are not what you expect or if an error occurs perform the following steps 4 Ed 1 COMP mode 2 fone teer id 1 DEG mode S feng red mod 6 3 131 NORM 1 mode 4 Check the formula you are working with to confirm it is correct 5 Enter the correct moren to perform the calculati
19. mple To calculate On 1 On X n Xx and Za for the following data 55 54 51 55 53 53 54 52 Enter SD Mode EE En sel ES Memory Clear 55 87 54 BT 51 87 55 DT _53 BD BD 54 m sa a Populations Standard Deviation Gn Tr sess ea 1 316956719 tari ihmetic Mean ij i n D ej 13 amp 555 53 375 Number f Dela n ae lt lt MEE Sumof Valuss Ex 70O E 427 Sum of Squares of Values Ex inc CA 22805 Data Input Precautions BT DT inputs the same data twice You can also input multiple entries of the same data US ing bu 1 To input the data 110 ten times for example press 110 e 3319 BF oe The above results can be obtained in any order and not necessarily that shown above To delete data you have just input press Fel ED Bi Probability Distribution Calculations Press Em Esm to produce the screen shown below Inputa value from CO to 3 to select the probability distribution calculation you want to perform e Pf Example Using the x date values input in the example on page 20 determine the ones vartate Sen for m Hearessi nk Calculations REG Mode Press bwg fd 2 to enter the REG mode and then se lect d of the following regression types 4 Linear regression a Logarithmic regression 3 Exponential regression 9 CE Power regression gt 2 Inverse regression Ue 3 3 Quadratic M qim cal memory The values pr
20. oduced by a regression calculation depend on the values input and results c n be recalled using _ the key operations shown in the table below 600 EA fre 63 3 C DG Ey pre aE 4 Regression coefficient A e CE Exy Regression coefficient B M Ex Regression coefficient C Ey en C7 Correlation coefficient r CAN ee Peed OS A o Linear Regression e EN Thei e regression f formula for linear regression is Y A Bx oegi Example Atmospheric Pressure vs Temperature Atmospheric Perform linear regression to de Pressure ed termine the regression formula vieze terms and correlation coefficient for the data nearby Next use the regression formula to estimate at mospheric pressure at 18 C and 2 temperature at 1000 hPa 1014 hPa i Enter REG Mode Linear Regression Loss TERTS A fem E c detal Cleat RCE ho d bor a ES Regression Coefficient 8 B ca 8 amp Tos Correlation Coefficient Ps us l Atmospheric Pressure at cr 18 E cn Tenet at 1000 HPA 1000 ET 8 Quadratic Regression The regression formula for quadratic regression is y 4 Bx O gt Input data using the following sequence x data Jj alas ml Example i Perform quadratic regression to de termine the regression formula terms and correlation coefficient for the data Rearby Next use the regression for mula to estimate
21. on and try again tc570W fx 100W gt if the above steps do not correct your problem press the P button see page 35 or 36 on the back of the calculator to reset it Pressing the P button deletes all data stored in calculator memory Make sure you always keep written copies of all important data fx 991 WI bcT15W gt 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 atl important data ME Error Messages The calculator is locked up while an error message is on the display Press amp to ciear the error or press ll or gt to display the calculation and correct the problem See Error aid on page 10 for details Ma E ERROR Cause Calculation resulti is outside the allowable calculation range b Attempt to Peres a function calculation using a value that exceeds the allowable input range nea WR Pj PAP ma ma ro Attempt to perform an illogical operation division by Zero etc Action Check your input values and make sure they are all within the allowable ranges Pay special altention to values in any memory areas you are using Cause Capacity of the numeric stack or operator stack is ex ceeded Action Simplify the calculation The numeric stack has 10 levels and the opera
22. r Memory con tents by pressing 3 Answer Memory can store up to 12 digits for the mantissa and two digits for the exponent Answer Memory contents are not changed if the opera tion performed ii any of ihe above key operations re Sl in an error eios Use the COMP mode tor basic calculations s Example 1 3x 5x id 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 ihe same memory area as variable M To clear independent mens M input 18 E 3 Example 0 28 9 32 2388 980 Gn 3 6 47 gt gt 45x2 90 58 a 6 ie 47 eT 3m N v Variables There are nine variables Athrough F M X and Y which can be used to store data constants results and other values Use the following operation to delete data assigned to all nine variables 20 io ER Use the following operation to delete data assigned to a particular variable 0 519 AJ This operation deletes the data assigned to variable A eite Example 193 2 23 8 4 193 2 28 6 9 e 1932688 04 E3 23 E EE ES2s E B Fraction Calculations Use the COMP mode for fraction calculations Values are automatically displayed in decimal format whenever the total number of digits of a fractional value integer numerar denominator s
23. rentheses are performed first A Stacks This calculator uses memory areas called stacks to tem porarily store values numeric stack and commands com mand Stack according to their precedence during calcu lations The numeric stack has 10 levels and the command stack has 24 levels A stack error Stk ERROR occurs whenever you try to perform a calculation that is so com plex that the Cee ote a stac ki is exceeded ea33e 8 Power Supply The type of battery you should use depends on the model number of your calculator 1x 991W fx 115W gt The TWO WAY POWER system actually has two power supplies a solar cell and a G13 Type LR44 button bat tery Normaily calculators equipped with a solar cell alone can operate onfy when relatively bright light s present The TWO WAY POWER system however lets you corn tinue to use the calculator as long as there is enough light to read the display Replacing the Battery _ Either of the following symptoms indicates battery power is low and that the battery should be replaced ce Display figures are dim and difficult to read in areas where th re is little light available e Nothing appears c on the display when you press the NE key To oplages ihe gt Pat p Remove the six screws that hold the back cover in place and then remove the back Cover D Remove the old i n 3 Wipe off the sides of new bat tery with a dry soft cloth Load
24. s 2 200 E37 3 289 571 eS 12 EJ 400 000 Peronning the same calculation using the specified number of decimal pass 205975 28 571 intemal rounding 70 imus peer od 28 571 f eine ES 1443 399 994 Press box wood im bj 3 1 to clear FIX specification Example 2 12 3 displaying result with two significant digits SCI 2 6 s B 2 DEBE e Press wore uu 3 1 to clear SCI specification Bl ENG Calculations Example 1 To convert 56 088 meters to kilometers 56088 E esp 55 088 amoo 2 To convert o 08125 grams to Paleta 0 08125 KS Es Bi inputting ENG Calculation Symbols none md 3 1 enters the ENG mode in which ENG symbols can be used in calculations To exit the ENG mode press reed gmo fu px pen 2 The following are the nine ENG symbols that can be used in ENG mode calculations Key Operation Ust pem C A A a t i met k kilo L eam EF M Mega s EEG 4 1 10 0 SG Giga s EaD sos iso 1082 T Tera om 10 m milli a AE u micro f femto For displayed values the calculator selects the ENG sym bol that makes the numeric part of the value fall within the range of 1 to 1000 ENG symbols cannot be used when inputting fractions The ENG mode cannot be used in combination with the CMPLX or BASE N modes Performing any of the key operations in the above tabte while
25. t s swallowed consult with Physician im pedea z all low batteries to become shorted Never expose bat LR teries to direct heat c or dose af them by iricinera tion l cise of baira can cause chen to leak acid that can cause damage to nearby items and creates the possibility of fire and personal injury Always make sure that a battery s positive and o nta sides are facing poret when you load it into the calculator Remove the batteries if you do not ans to use the calculator for a long time Use only the type of batteries specified tor this cal culatori in this manuai Never dispose of the calculator by b ming it Doing so can cause certain components to suddenly burst creating the danger of fire and personal injury E EE m The displays and illustrations such as key markings shown in this Users Guide are for fllustrative pur poses only and may differ somewhat from the ac tual tems they represent e The contents of this manual are subject to change without notice E inno event shall CASIO Computer Co Ltd be li able to anyone for special collateral incidental or consequential damages in connection with or aris ing out of the purchase or use of these materials Moreover CASIO Computer Co Ltd shall not be liable for any claim of any kind whatsoever against the use of these materials by any other party RR sure to press the P button on the ba
26. te value r and argu ment 8 for the complex number 3 4 when DEG js Set for the angle unit mode Imaginary number axis Ai a uer Real number exis E 5 P Determine the absolute value BEDT Da Determine ihe argument on COS EB so ce 53 13010235 5313010235 Formula memory lets you input a single formula in memory and then input values for the formula s vari ables to calculate results EE E n Memory can hold a single formula up to 79 steps long _ This function can be used in the COMP or CMPLX mode only e Note that the formula is actually stored in memory when you press the las key in the sequence below Example To save the following formula recall it and then use it to calculate a result Y X 3X 12 input the formula 7 pens CY3 bere 8 e O30 C2 3 3 feed CX 12 Eas A Store it in memory va 0 Input a value for its variable 7 E3 E 7 E 5 Formula memory is cleared whenever you start a new calculation change to another mode or turn off power Atotal of 20 different conversion pairs are built in to pro vide quick and easy conversion to and from metric units See the Conversion Pair Table on page 26 for a com plete list of available conversion pairs Example To convert 31 inches to centimeters oo usu a CONVAS OF 01 is the inches to centimeters conversion pair number 3tin cm j 31 En m om o8 78
27. tor stack has 24 levels Divide your calculation into two or more separate parts Syn ERROR Cause Attempt to perform an illegal mathematical Span Action gt Press E or to display the eaiulstion with the D Cursor located at the location of the error Make nec Di essay corrections Arg E ERROR Ca s 7 Improper use of argument Action Press fd a to display the location ofthe cause of me error and make required corrections E Order of Operations Calculations are pm in the following order of prec edenice D Coordinat transformation Pol x y Rec r 8 Integrations fax e Type A functions M With these functions the value is entered and then the l function key is pressed xex ad o Powers and roots x Vv 320 Y TA 5 Abbreviated multiplication format in front of jt memory name or vanable name 210 5A NA etc amp Type B functions With these functions the function key is pressed and then the value is entered dc O log in e 10 sin cos tan sin cos tan sinh cosh tanh sinh cosh tanh t D Abb eviated multiplicati on format in front ot Type B functions 2 4 3 Alog2 etc Permutation and combination nPr nOr QGxe e do Bro Du Operations of the same precedence are performed from right to left eins 120 e is 120 Other operations are performed from left io right Minis enclosed in pa
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