Casio fx-115WA Guide de l'utilisateur

Efx-115WAfx-991WAUser’s Guide

앫8앫•You cannot set the angle unit or the display mode whilethe calculator is in the BASE-N mode.• The COMP, CMPLX, SD, and REG modes can be usedin com

앫9앫k Error Locator•Pressing r or e after an error occurs displays thecalculation with the cursor positioned at the locationwhere the error occurred

앫10앫80.001.5-0847.0090.00Basic Calculations•Use the COMP mode for basic calculations.• Example 1 : 3(510–9)3 - R 5 e D 9 T =• Example 2 : 5(97)5 -

앫11앫8.4006.90045232 7 15.00• Example: 193.2  23  8.4193.2  28  6.9193.2 j 1 \ 23 = p 1 \ 28 =Fraction Calculationsk Fraction Calculations•Use the

앫12앫CCPercentage Calculations•Use the COMP mode for percentage calculations.• Example 1 : To calculate 12% of 15001500 - 12 A v• Example 2 : To calcul

앫13앫Scientific Function Calculations•Use the COMP mode for scientific function calculations.•  = 3.14159265359k Trigonometric/Inverse TrigonometricFu

앫14앫5.28719690900–1.29002405300k Angle Unit Conversion•Press A v to display the following menu.•Pressing 1, 2, or 3 converts the displayed value tothe

앫15앫1023.001.9886477950012.0040320.000.664001728.009.42477796100400.0028.57100400.0000028.5710028.571001  13 41(Specifies threedecimal places

앫16앫399.994003.3–0156.08800381.25–03Sci- 14 = •Press F F F F 3 1 to clear FIX specification.• Example 2: 1 3, displaying result with two significantd

앫17앫2.001.001.73205080800TR*For displayed values, the calculator selects the ENG sym-bol that makes the numeric part of the value fall withinthe range

Removing and Replacingthe Calculator’s Cover• To Remove the coverGrasp the top of the cover, and slide the unit out from thebottom.• To Replace the co

앫18앫1.04719755100840.θ0 o • 0 n, 0 o swaps displayed value with value inmemory.k Permutation• Example: To determine how many different 4-digit v

앫19앫• Example: To calculate σn1, σn, o, n, Σx, and Σx2 for thefollowing data : 55, 54, 51, 55, 53, 53, 54, 52Enter SD Mode F F 1A m = (Memory Clear)5

앫20앫• Example : Using the x-data values input in the exampleon page 20, determine the normalized variate (→t) forx = 53 and normal probability distrib

앫21앫• Example: Atmospheric Pressure vs. TemperaturePerform linear regression to de-termine the regression formulaterms and correlation coefficientfor

앫22앫Enter REG mode (Quadratic regression)F F 2 r 3A m =29 P 1.6 S 50 P 23.5 S74 P 38.0 S103 P 46.4 S118 P 48.0 S118.REG(Regression Coefficient A) A q

앫23앫• Example: (2 + 3i) + (4 + 5i)Enter CMPLX Mode F 2R 4 + 5 i T =6.Real number partA r8.iImaginary number partk Absolute Value/Argument Calculation•

앫24앫•See the Conversion Pair Table shown below for a com-plete list of available conversion pairs.• Example: To convert 31 inches to centimeters31 A c

앫25앫Scientific Constants (fx-991WA)•A total of 40 commonly-used scientific constants, suchas the speed of light in a vacuum and Planck's constant

앫26앫Number Constant Name Symbol10 fine-structure constant α11 classical electron radius re12 electron Compton wavelength λ c13 proton gyromagnetic rat

앫27앫•You cannot use scientific functions in binary, octal, deci-mal, and hexadecimal calculations. You cannot input val-ues that include decimal part

앫1앫Safety PrecautionsBe sure to read the following safety precautions beforeusing this calculator. Keep this manual handy for later ref-erence.Caution

앫28앫• Example 3: To perform the following calculation andproduce a hexadecimal result:12016 or 11012Hexadecimal mode F F 3 h0.Hl l l 3 (b)110120.H=1

앫29앫5. Enter the correct modes to perform the calculation andtry again.If the above steps do not correct the problem, press the key. The calculator pe

앫30앫•Action•Press e or r to display the calculation with thecursor located at the location of the error. Make nec-essary corrections.Arg ERROR•Cause

앫31앫k StacksThis calculator uses memory areas, called “stacks,” to tem-porarily store values (numeric stack) and commands (com-mand stack) according t

앫32앫5 Press to turn power on. Be sure not to skip thisstep.•Auto Power OffCalculator power automatically turns off if you do not per-form any operati

앫33앫k Input RangesInternal digits: 12Accuracy: As a rule, accuracy is ±1 at the 10th digit.Functions Input Rangesinx DEG 0 x 4.4999999991010RAD 0

앫34앫12n+1Functions Input RangenPr0 n 99, r  n (n, r is an integer)1 {n!/(n–r)!}  9.9999999991099nCr 0 n 99, r  n (n, r is an integer)Pol(x, y

앫35앫SpecificationsPower Supply: Solar cell and a single G13 Type buttonbattery (LR44)Battery Life: Approximately 3 years (1 hour use per day).Dimensio

SA9911-A Printed in ChinaHA310537-1U.S. Pat. 4,410,956CASIO COMPUTER CO., LTD.6-2, Hon-machi 1-chomeShibuya-ku, Tokyo 151-8543, Japan

앫2앫• The displays and illustrations (such as key markings)shown in this User’s Guide are for illustrative pur-poses only, and may differ somewhat from

앫3앫• Avoid use and storage in areas subjected to largeamounts of humidity and dust.Tak e care never to leave the calculator where it mightbe splashe

앫4앫ContentsSafety Precautions ... 1Handling Precautions ... 2Two-line Displ

앫5앫Statistical Calculations ... 18kStandard Deviation (SD Mode) ... 18kProbability Distributio

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앫7앫Before Starting Calculations...k ModesApplicationMode ModeName IndicatorCalculation ModesNormal calculations COMP –Complex numberCMPLX CMPLXcalcula