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E fx-115W A fx-991W A User’s Guide.
Removing and Replacing the Calculator’ s Co ver • To R e mo ve the cover Gr asp the top of the co v er , and slide the unit out from the bottom. • To Replace the co ver Gr asp the top of the co ver , and slide the unit in from the bottom. Alw ays slide the unit into the co ver with the unit’ s displa y end first.
앫 1 앫 Safety Precautions Be sure to read the following safety precautions before using this calculator . Keep this manual handy for later ref- erence. Caution This symbol is used to indicate information that can result in personal injury or material damage if ignored.
앫 2 앫 • The displays and illustrations (such as key markings) sho wn in this User’s Guide are f or illustrative pur- poses only , and ma y differ some what from the ac- tual items they represent. • The contents of this manual are subject to change without notice.
앫 3 앫 • Av oid use and storag e in areas subjected to lar g e amounts of humidity and dust. Ta k e care ne ver to leav e the calculator where it might be splashed by water or exposed to large amounts of humidity or dust. Such elements can damage internal circuitr y .
앫 4 앫 Contents Safety Precautions ........................................... 1 Handling Precautions ...................................... 2 Tw o-line Display ............................................... 5 Key Layout ..........................
앫 5 앫 Statistical Calculations .................................. 18 k Standard Deviation (SD Mode) ............................ 18 k Probability Distribution Calculations . .................. 19 k Regression Calculations (REG Mode) ..............
앫 6 앫 DT CL M- M AM µ G mk p f n BI N S ScI McI AB C sin -1 cos -1 tan -1 D XY EF DISTR Re < - > lm arg r Abs y y Rnd Ran# 10 e SHIFT ALPHA MODE REPLA Y DEC OCT HEX BIN Key Layout Page Page.
앫 7 앫 Before Starting Calculations... k Modes Application Mode Mode Name Indicator Calculation Modes Normal calculations COMP – Complex number CMPLX CMPLX calculations Standard deviation SD SD c.
앫 8 앫 •Y ou cannot set the angle unit or the displa y mode while the calculator is in the BASE-N mode. • The COMP , CMPLX, SD , and REG modes can be used in combination with the angle unit modes. •B e sure to check the current calculation mode (SD, REG, COMP , CMPLX) and angle unit mode (DEG, RAD , GRA) before beginning a calculation.
앫 9 앫 k Error Locator •P ressing r or e after an error occurs displays the calculation with the cursor positioned at the location where the error occurred. k Exponential Display Formats This calculator can display up to 10 digits. Larger values are automatically displayed using exponential notation.
앫 10 앫 80. 00 1.5 -08 47. 00 90. 00 Basic Calculations •U se 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 - R 9 + 7 T = •Y ou can skip all T operations before = .
앫 11 앫 8.4 00 6.9 00 4 5 2 3 2 7 15. 00 • Example: 193.2 23 8.4 193.2 28 6.9 193.2 j 1 23 = p 1 28 = Fraction Calculations k Fraction Calculations •U se the COMP mode for fraction calculations.
앫 12 앫 C C Percentage Calculations •U se the COMP mode for percentage calculations. • Example 1 : To calculate 12% of 1500 1500 - 12 A v • Example 2 : To calculate what percentage of 880 is .
앫 13 앫 Scientific Function Calculations •U se the COMP mode for scientific function calculations. • = 3.14159265359 k T rigonometric/In verse T rigonometric Functions • Example 1 : sin63.
앫 14 앫 5.287196909 00 –1.290024053 00 k Angle Unit Conversion •P ress A v to display the following menu. •P ressing 1 , 2 , or 3 converts the displayed value to the corresponding angle unit. • Example : To conver t 4.25 radians to degrees 4.
앫 15 앫 1023. 00 1.988647795 00 12. 00 40320. 00 0.664 00 1728. 00 9.424777961 00 400. 00 28.571 00 400.000 00 28.571 00 28.571 00 1 1 3 4 1 (Specifies three decimal places.
앫 16 앫 399.994 00 3.3 –01 56.088 0 03 81.25 –03 Sci - 14 = •P ress F F F F 3 1 to clear FIX specification. • Example 2: 1 3, displaying result with two significant digits (SCI 2) F F F F 2 2 1 3 = •P ress F F F F 3 1 to clear SCI specification.
앫 17 앫 2. 00 1. 00 1.732050808 00 T R *F or 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.
앫 18 앫 1.047197551 00 840. θ 0 o • 0 n , 0 o swaps displayed value with value in memor y . k Permutation • Example: To deter mine how many diff erent 4-digit val- ues can be produced using the numbers 1 through 7 •N umbers cannot be duplicated within the same 4-digit value (1234 is allo wed, but 1123 is not).
앫 19 앫 • Example: To calculate σ n 1 , σ n , o , n , Σ x , and Σ x 2 fo r the following data : 55, 54, 51, 55, 53, 53, 54, 52 Enter SD Mode F F 1 A m = (Memory Clear) 55 S 54 S 51 S 55 S.
앫 20 앫 • Example : Using the x - data values input in the example on page 20, determine the normalized variate ( → t ) for x = 53 and normal probability distribution P( t ).
앫 21 앫 • Example: Atmospher ic Pressure vs. T emper ature Perform linear regression to de- termine the regression formula terms and correlation coefficient fo r the data nearby . Ne xt, use the regression formula to estimate at- mospheric pressure at 18 ° C and temperature at 1000 hPa.
앫 22 앫 Enter REG mode (Quadratic regression) F F 2 r 3 A m = 29 P 1.6 S 50 P 23.5 S 74 P 38.0 S 103 P 46.4 S 118 P 48.0 S 118. REG (Reg ression Coefficient A) A q = - 35.59856934 (Reg ression Coefficient B) A w = 1.495939413 (Reg ression Coefficient C) A e = - 6.
앫 23 앫 • Example: (2 + 3 i ) + (4 + 5 i ) Enter CMPLX Mode F 2 R 4 + 5 i T = 6. Real number part A r 8. i Imaginary number part k Absolute V alue/Argument Calculation • The procedure described.
앫 24 앫 •S ee the Con v ersion P air T ab le sho wn below f or a com- plete list of av ailab le con v ersion pairs . • Example: To conver t 31 inches to centimeters 31 A c CONV 01 CONV 1 01 is the inches-to-centimeters con version pair number .
앫 25 앫 Scientific Constants (fx-991W A ) •A total of 40 commonly-used scientific constants, such as the speed of light in a vacuum and Planck's constant are built-in for quick and easy lookup whenever you need them.
앫 26 앫 Number Constant Name Symbol 10 fine-structure constant α 11 classical electron radius re 12 electron Compton wavelength λ c 13 proton gyromagnetic ratio γ p 14 proton Compton wavelength .
앫 27 앫 •Y ou cannot use scientific functions in binar y , octal, deci- mal, and hexadecimal calculations. Y ou 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 par t.
앫 28 앫 • Example 3: To perform the following calculation and produce a hexadecimal result: 120 16 or 1101 2 Hexadecimal mode F F 3 h 0. H l l l 3 (b ) 1101 2 0.
앫 29 앫 5. Enter the correct modes to perform the calculation and try again. If the above steps do not correct the prob lem, press the ke y. The calculator perf orms a self-check oper ation and deletes all data stored in memor y if any abnormality is detected.
앫 30 앫 •A c tion •P ress e or r to display the calculation with the cursor located at the location of the error . Mak e nec- essary corrections. Arg ERROR •C ause •I mproper use of argument •A c tion •P ress e or r to display the location of the cause of the error and make required corrections.
앫 31 앫 k 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 n umeric stac k has 10 le v els and the command stack has 24 le vels .
앫 32 앫 5 Press to turn power on. Be sure not to skip this step. •A u t o Power Off Calculator power automatically turns off if y ou do not per- form any operation for about six minutes.
앫 33 앫 k Input Ranges Internal digits: 12 Accuracy: As a rule, accur acy is ± 1 at the 10th digit. Functions Input Range sin x DEG 0 x 4.499999999 10 10 RAD 0 x 785398163.3 GRA 0 x 4.499999999 10 10 cos x DEG 0 x 4.
앫 34 앫 1 2 n +1 Functions Input Range n P r 0 n 99, r n ( n , r is an integer) 1 { n !/( n – r )!} 9.999999999 10 99 n C r 0 n 99, r n ( n , r is an integer) Pol( x , y ) x , y 9.999999999 10 49 ( x 2 + y 2 ) 9.
앫 35 앫 Specifications Power Supply: Solar cell and a single G13 T ype button battery (LR44) Batter y Life: Appro ximately 3 y ears (1 hour use per da y). Dimensions: 10(H) 76(W) 150(D) mm 3 / 8 ⬙ (H) 3 ⬙ (W) 5 7 / 8 ⬙ (D) Wei ght: 85 g (3 oz) including batter y Power Consumption: 0.
SA9911-A Printed in China HA310537-1 U.S. Pat. 4,410,956 CASIO COMPUTER CO. , L TD . 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan.
Een belangrijk punt na aankoop van elk apparaat Casio FX-991WA (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Casio FX-991WA heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Casio FX-991WA vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Casio FX-991WA leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Casio FX-991WA krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Casio FX-991WA bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Casio FX-991WA kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Casio FX-991WA . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
