Manuale d’uso / di manutenzione del prodotto fx-991W del fabbricante Casio
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E S F G I fx-100W fx-115W fx-570W fx-991W User’s Guide Guía del usuario Mode d’emploi Bedienungsanleitung Guida dell’utilizzatore.
Removing and Replacing the Calculator’ s Co ver • To Remove the co ver Gr asp the top of the co v er, and slide the unit out from the bottom. • To Replace the cover Gr asp the top of the co ver , and slide the unit in from the bottom. Alw a ys slide the unit into the co ver with the unit’ s display end first.
E-1 Safety Precautions Be sure to read the following safety precautions before using this calculator . Keep this man ual handy f or later ref- erence. Caution This symbol is used to indicate information that can result in personal injury or material damage if ignored.
E-2 • The displays and illustrations (such as key markings) sho wn in this User’s Guide are f or illustrativ e 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.
E-3 • Av oid use and stora g e in areas subjected to tempera- ture extremes. Ve ry lo w temperatures can cause slow displa y response, total failure of the displa y , and shortening of batter y lif e .
E-4 Contents Safety Precautions .......................................... 1 Handling Precautions ....................................... 2 Tw o-line Display ............................................... 5 Ke y Lay out ..............................
E-5 Statistical Calculations .................................. 19 k Standard Deviation (SD Mode) ............................ 19 k Probability Distribution Calculations .. ................. 20 k Regression Calculations (REG Mode) ................. 21 Complex Number Calculations (CMPLX Mode) .
E-6 DT CL M- M AM µ G mk p f n Pol( Rec( nPr nCr 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 OFF REPLA Y LOGIC DEC OCT HEX CO.
E-7 DT CL M- M AM µ G mk p f n Pol( Rec( nPr nCr 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 ON REPLA Y LOGIC DEC OCT HEX CON.
E-8 Before Starting Calculations... k Modes Application Mode Mode Name Indicator Calculation Modes Normal calculations COMP – Complex number CMPLX CMPLX calculations Standard deviation SD SD calcula.
E-9 •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.
E-10 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.
E-11 47. 00 90. 00 –11. 00 32. 00 80. 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 oper ations before = .
E-12 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.
E-13 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 660 66.
E-14 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 ° 52.
E-15 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 convert 4.25 r adians to degrees 4.25 A v 2 ( R ) = 243.
E-16 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.
E-17 399.994 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.
E-18 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.
E-19 1.047197551 00 840. 210. θ 0 o • 0 n , 0 o swaps displayed value with value in memor y . k Permutation • Example: To deter mine how man y 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).
E-20 • Example: To calculate σ n 1 , σ n , o , n , Σ x , and Σ x 2 for 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 53 S S.
E-21 • 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 ).
E-22 • Example: Atmospher ic Pressure vs. T emperature 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.
E-23 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.
E-24 • 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 below.
E-25 •M emory can hold a single f or m ula, up to 79 steps long. This function can be used in the COMP or CMPLX mode only . •N o t e that the formula is actually stored in memory when you press the C ke y in the sequence belo w .
E-26 •C o n version P air T able Based on ISO Standard (1992) data and COD A T A Bulletin 63 (1986) data. Number Conversion Pair Number Conversion Pair 01 in → cm 21 oz → g 02 cm → in 22 g →.
E-27 • Example: To deter mine how much total energy a per- son weighing 65kg has (E = mc 2 ) 65 L CONST 28 CONST28 28 is the “speed of light in v acuum” constant n umber. 0. 65 Co K 0. 65 Co 2 = 65 Co 2 5.841908662 18 •S cientific Constant T ab le Based on ISO Standard (1992) data and COD A T A Bulletin 63 (1986) data.
E-28 Number Constant Name Symbol 23 elementary charge e 24 Av ogadro constant NA 25 Boltzmann constant k 26 molar volume of ideal gas Vm 27 molar gas constant R 28 speed of light in vacuum C 0 29 firs.
E-29 • The following are the allowable ranges for each of the available number systems. Binary 1000000000 x 1111111111 0 x 0111111111 Octal 4000000000 x 7777777777 0 x .
E-30 5 1 Integration Calculations • The following four inputs are required for integration cal- 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 n ) fo r integr ation using Simpson’ s rule .
E-31 Te c hnical Inf ormation k When you have a problem...... If calculation results are not what you expect or if an error occurs, perform the following steps. 1. F 1 (COMP mode) 2. F F F 1 (DEG mode) 3. F F F F 3 1 (NORM 1 mode) 4. Check the formula you are working with to confirm it is correct.
E-32 •A ttempt to perform an illogical operation (division b y zero, etc.). •A c tion •C heck 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. Stk ERROR •C ause •C apacity of the numeric stack or operator stack is ex- ceeded.
E-33 4 a b / c 5 Abbreviated multiplication format in front of π , memory name, or variable name: 2 π , 5A, π A etc. 6 T ype B functions: With these functions, the function key is pressed and then the value is entered.
E-34 k Po wer Supply The type of battery you should use depends on the model num ber of y our calculator . < fx-991W/ fx-115W > The TW O WA Y PO WER system actually has two pow er supplies: a solar cell and a G13 T ype (LR44) b utton bat- ter y .
E-35 < fx-570W > This calculator is powered b y single G13 T ype (LR44) b ut- ton batter y . •R eplacing the Battery Dim figures on the display of the calculator indicate that batter y power is low . Continued use of the calculator when the battery is low can result in improper operation.
E-36 < fx-100W > This calculator is powered b y single AA-size batter y . •R eplacing the Battery Dim figures on the display of the calculator indicate that batter y power is low . Continued use of the calculator when the battery is low can result in improper operation.
E-37 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.
E-38 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.
E-39 Specifications Power Supply: fx-100W: Single AA-siz e batter y (R6P (SUM-3)) fx-570W: Single G13 T ype button battery (LR44) fx-115W/ fx-991W : Solar cell and a single G13 T ype button bat- tery (LR44) Battery Life: fx-100W: Approximately 17,000 hours continuous dis- play of flashing cursor .
CASIO ELECTRONICS CO., LTD. Unit 6, 1000 North Circular Road, London NW2 7JD, U.K..
SA9810-C Printed in China Imprimé en Chine HA310540-1 U.S. Pat. 4,410.956 CASIO COMPUTER CO. , L TD . 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Casio fx-991W è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Casio fx-991W - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Casio fx-991W imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Casio fx-991W ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Casio fx-991W, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Casio fx-991W.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Casio fx-991W. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Casio fx-991W insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
