Casioメーカーfx-50Fの使用説明書/サービス説明書
ページ先へ移動 of 80
fx-50F PLUS User's Guide http://world.casio .com/edu/ RCA502903-001V01 E.
E-1 Getting Started Thank you f or purchasing this CASIO product. k Before using the calculator f or the fi rst time ... Tu rn o ver the calculator and slide it from the hard case as shown in the illustration. Next, slide the hard case onto the back of the calculator .
E-2 • The following shows the notation used in the man ual for menu items that appear on the display (which are e xecuted by pressing a number k ey). Example: b (Contrast) The notation in parentheses indicates the menu item accessed by the preceding number key .
E-3 Operating Precautions • Be sure to press the O key before using the calculator f or the fi rst time. • Even if the calculator is operating normally , replace the battery at least once every three years. A dead battery can leak, causing damage to and malfunction of the calculator.
E-4 Contents Getting Started ......................................................................................... 1 Before using the calculator f or the fi rst time... .................................................................... 1 Resetting the Calculator to Initial Defaults.
E-5 Coordinate Conv ersion (Rectangular ↔ P olar) ................................................................ 29 Other Functions ................................................................................................................ 31 Using 10 3 Engineering Notation (ENG) .
E-6 Before starting a calculation... k Tu r n i ng On the Calculator Press O . The calculator will enter the calculation mode (page 7) that it was in the last time you turned it off. A Adjusting Display Contrast If the fi gures on the display become hard to read, try adjusting display contrast.
E-7 Function Colors T o perform the function 7 AT e xt: Red Fr ame: Green Press a and then press the ke y (variable A). In the BASE Mode, press the ke y .
E-8 2. Perf orm one of the following operations to select the calculation mode y ou want. To select this calculation mode: Press this key: COMP (Computation) b (COMP) CMPLX (Complex Number) c (CMPLX) .
E-9 The follo wing explains ho w calculation results are display ed in accordance with the setting you specify . • F rom zero to nine decimal places are displa yed in accordance with the number of decimal places (Fix) you specify . Calculation results are rounded off to the specifi ed n umber of digits.
E-10 k Clearing the Calculation Mode and Setup Settings P erform the procedure described below to clear the current calculation mode and all setup settings and initialize the calculator to the f ollowing. Calculation Mode .............................
E-11 A Omitting the Multiplication Sign Y ou can omit the multiplication sign in the following cases. • Immediately before an open parenthesis: 2 × (5 + 4) • Immediately before a scientifi c fun.
E-12 k Editing a Calculation A Insert Mode and Overwrite Mode The calculator has two input modes. The inser t mode inser ts your input at the cursor location, shifting anything to the right of the cursor to make room. The o verwrite mode replaces the ke y operation at the cursor location with your input.
E-13 ddd D A Editing a Ke y Operation within an Expression With the inser t mode, use d and e to mov e the cursor to the right of the key operation you want to edit, press D to delete it, and then perform the correct ke y operation.
E-14 d 1 w • Instead of pressing e or d while an error message is display ed to fi nd the location of the error , you could also press A to clear the calculation. Basic Calculations Unless otherwise noted, the calculations in this section can be performed in any of the calculator’ s calculation mode, e xcept for the BASE Mode .
E-15 A Fraction Calculation Examples Example 1: 3 1 4 + 1 2 3 = 4 11 1 2 3 $ 1 $ 4+ 1 $ 2 $ 3 w Example 2: 4 – 3 1 2 = 1 2 4-3 $ 1 $ 2 w Example 3 : 2 3 + 1 2 = 7 6 (F raction Display F or mat: d/c).
E-16 k P ercent Calculations Inputting a value and with a percent (%) sign mak es the value a percent. The percent (%) sign uses the value immediately bef ore it as the argument, which is simply divided by 100 to get the percentage value . A P ercent Calculation Examples Example 1: 2 % = 0.
E-17 Example 8: What is the percentage change when a value is increased from 40 to 46? How about to 48? Inser t Mode (46-40)/40 ! ( (%) w eeee Y 8 w k Degree, Minute, Second (Sexa gesimal) Calculations Y ou can perform calculations using sexagesimal values, and y ou can conv ert between sexagesimal and decimal.
E-18 Example: T o convert 2.255 to sexagesimal 2.255 w $ $ Calculation History and Replay Calculation history maintains a record of each calculation you perform, including the expressions y ou input and calculation results. Y ou can use calculation histor y in the COMP , CMPLX, and BASE Modes.
E-19 k Using Replay While a calculation history record is on the display , press d or e to display the cursor and enter the editing mode. Pressing e displays the cursor at the beginning of the calculation expression, while d displays it at the end. After you make the changes y ou want, press w to ex ecute the calculation.
E-20 A Ans Update and Delete Timing When using Ans in a calculation, it is impor tant to keep in mind ho w and when its contents change. Note the following points .
E-21 A Inserting Ans into a Calculation Manually Y ou can inser t Ans into a calculation at the current cursor location by pressing the K key . Example 1: To use the result of 123 + 456 in another cal.
E-22 Note Pressing m or 1m (M–) while a calculation result is on the display will add it to or subtract it from independent memory . Important! The value that appears on the displa y when you press m or 1m (M–) at the end of a calculation in place of w is the result of the calculation (which is added to or subtracted from independent memory).
E-23 A Clearing the V alue Assigned to a V ariable (to 0) Example: To clear variable A 0 1t (ST O) - (A) A Calculation Example Using V ariables Example: To perform calculations that assign results to .
E-24 k Scientifi c Constants Y our calculator has 40 often-used scientifi c constants built in. Like π and e , each scientifi c constant has a unique display symbol. Scientifi c constants are supported in all modes, except f or the BASE Mode. A Inputting a Scientifi c Constant 1.
E-25 1 7 (CONST) ddd 4 ( ε 0 ) 1 7 (CONST) dd 1 ( ƫ 0 ) ) E A Ta b l e of Scientifi c Constants The numbers in the “No. ” column sho w the scientifi c constant menu page number on the left and the number ke y you need to press to select the constant when the proper menu page is display ed.
E-26 No. Scientifi c Constant Symbol V alue Unit 6-4 A vogadro constant N A 6.0221415×10 23 mol –1 7-1 Boltzmann constant k 1.3806505×10 –23 J K –1 7-2 Molar v olume of ideal gas V m 22.413996×10 –3 m 3 mol –1 7-3 Molar gas constant R 8.
E-27 k Tr igonometric and Inver se T rigonometric Functions sin(, cos(, tan(, sin –1 (, cos –1 (, tan –1 ( A Syntax and Input sin({ n }), cos({ n }), tan({ n }), sin –1 ({ n }), cos –1 ({ n }), tan –1 ({ n }) Example: sin 30 = 0.5, sin –1 0.
E-28 k Hyperbolic and In verse Hyperbolic Functions sinh(, cosh(, tanh(, sinh –1 (, cosh –1 (, tanh –1 ( A Syntax and Input sinh({ n }), cosh({ n }), tanh({ n }), sinh –1 ({ n }), cosh –1 ({ n }), tanh –1 ({ n }) Example: sinh 1 = 1.
E-29 k P ower Functions and P ower Root Functions x 2 , x 3 , x –1 , ^(, ' (, 3 ' (, x ' ( A Syntax and Input { n } x 2 ............................... { n } 2 (Square) { n } x 3 ............................... { n } 3 (Cube) { n } x –1 .
E-30 A Syntax and Input Rectangular-to-P olar Coordinate Conv ersion (P ol) P ol( x , y ) x : Rectangular coordinate x -value y : Rectangular coordinate y -value P olar-to-Rectangular Coordinate Conv .
E-31 k Other Functions x !, Abs(, Ran#, n P r , n C r , Rnd( The x !, n P r , and n C r functions can be used in the CMPLX Mode, but comple x number arguments are not suppor ted.
E-32 A P ermutation ( n P r )/Combination ( n C r ) Syntax: { n }P{ m }, { n }C{ m } Example: How many f our-person per mutations and combinations are possible f or a group of 10 people? 10 1 * ( n P .
E-33 (Rounded result) *14 E Using 10 3 Engineering Notation (ENG) Engineering notation (ENG) expresses quantities as a product of a positiv e number between 1 and 10 and a power of 10 that is alw ays a m ultiple of three. There are two types of engineering notation, ENG / and ENG , .
E-34 Complex Number Calculations (CMPLX) To perform the example oper ations in this section, fi rst select CMPLX ( N 2 ) as the calculation mode. k Inputting Complex Number s A Inputting Imaginary Numbers ( i ) In the CMPLX Mode, the W ke y is used to input the imaginar y number i .
E-35 1E (Re ⇔ Im) Displays imaginary part. ( i symbol turns on during imaginar y par t display . ) A Default Complex Number Calculation Result Displa y Format Y ou can select either rectangular coordinate format or polar coordinate format for complex number calculation results.
E-36 A P olar Coordinate Format ( r ∠ Ƨ ) 1 , (SETUP) eee 2 ( r ∠ Ƨ ) Example 1: 2 × ( ' 3 + i ) = 2 ' 3 + 2 i = 4 ∠ 30 2*( 9 3)+ W ( i ) ) E 1E (Re ⇔ Im) ∠ symbol turns on dur ing display of Ƨ -value.
E-37 Absolute V alue: 1 ) (Abs) 2+2 W ( i ) ) E Argument: 1 ( (arg) 2+2 W ( i ) ) E k Overriding the Default Complex Number Displa y Format Y ou can use the procedures descr ibed below to ov erride the default comple x number display f or mat and specify a par ticular display f ormat for the calculation you are currently inputting.
E-38 Statistical Calculations (SD/REG) k Statistical Calculation Sample Data A Inputting Sample Data Yo u can input sample data either with statistical frequency turned on (FreqOn) or off (F reqOff). The calculator’ s initial default setting is F reqOn.
E-39 Example: To input the follo wing data Class V alue ( x ) Frequency (Freq) 24.5 4 25.5 6 26.5 2 24.5 1 , (;) 4 m (DT) m (DT) tells the calculator this is the end of the fi rst data item. 25.5 1 , (;) 6 m (DT) 26.5 1 , (;) 2 m (DT) Frequency Off (FreqOff) In this case, input each individual data item as shown belo w .
E-40 c c When the statistical frequency setting is F reqOn, data is display ed in the sequence: x 1 , F req1, x 2 , F req2, and so on. In the case of F reqOff, it is displa yed in the sequence: x 1 , x 2 , x 3 , and so on. Y ou can also use f to scroll in the rev erse direction.
E-41 A Deleting All Sample Data P erform the follo wing ke y operation to delete all sample data. 1 9 (CLR) 1 (Stat) E If you do not want to delete all sample data, press A in place of E in the abov e operation. A Statistical Calculations Using Input Sample Data To perform a statistical calculation, input the applicable command and then press E .
E-42 k Pe rforming P aired-variable Statistical Calculations To perform the example oper ations in this section, fi rst select REG ( N 5 ) as the calculation mode. A Regression Calculation T ypes The REG Mode lets you perf orm the seven types of reg ression listed below .
E-43 A Inputting Sample Data Frequency On (FreqOn) The follo wing shows the ke y operations required when inputting class values ( x 1 , y 1 ), ( x 2 , y 2 ), .
E-44 1 2 (S-V AR) 1 (V AR) e 1 E * This is one example of possible calculation results . A REG Mode Statistical Command Reference Sum and Number of Sample Command (S-SUM Menu) y y σ n y σ n – 1 12 3 y y σ n y σ n – 1 12 3 y 14 y 14 ƙ x 2 1 1 (S-SUM) 1 Obtains the sum of squares of the sample x -data.
E-45 y σ n 1 2 (S-V AR) 1 (V AR) e 2 Obtains the population standard deviation of the sample y -data. y σ n –1 1 2 (S-V AR) 1 (V AR) e 3 Obtains the sample standard deviation of the sample y -data.
E-46 Regression Coeffi cient and Estimated Value Commands f or Quadratic Regression (V AR Menu) For details about the f or mula that is ex ecuted by each of these commands , see “Regression Coeffi cient and Estimated V alue Calculation Formula T able” (page 47).
E-47 A Regression Coeffi cient and Estimated V alue Calculation Formula T able The follo wing table shows the calculation f or mulas used by the regression coeffi cient and estimated value commands f or each regression calculation type. Linear Regression Command Calculation Formula Regression F ormula Constant T er m a a = n Σ y i – b .
E-48 Logarithmic Regression Command Calculation Formula Regression F ormula Constant T er m a a = n Σ y i – b . Σ ln x i Regression Coeffi cient b b = n . Σ ( ln x i ) 2 – ( Σ ln x i ) 2 n . Σ ( ln x i ) y i – Σ ln x i . Σ y i Correlation Coeffi cient r r = { n .
E-49 Command Calculation Formula Estimated V alue m m = ln b ln y – ln a Estimated V alue n n = ab x Po wer Regression Command Calculation Formula Regression F ormula Constant T er m a a = exp () n Σ ln y i – b . Σ ln x i Regression Coeffi cient b b = n .
E-50 Command Calculation Formula Estimated V alue m m = y – a b Estimated V alue n n = a+ x b k Statistical Calculation Examples This section provides some actual e xamples of statistical calculation examples as the y are performed on your calculator .
E-51 Example 2: The nearby data sho ws how the weight of a newborn at various numbers of da ys after bir th. 1 Obtain the regression f ormula and correlation coeffi cient produced by linear regression of the data. 2 Obtain the regression f ormula and correlation coeffi cient produced by logarithmic regression of the data.
E-52 Regression Coeffi cient b: 1 2 (S-V AR) 1 (V AR) ee 2 (b) E Correlation Coeffi cient: 1 2 (S-V AR) 1 (V AR) ee 3 (r ) E 3 We i ght Prediction The absolute value of the correlation coeffi cient for logarithmic regression is closer to 1, so perform the weight prediction calculation using logarithmic regression.
E-53 A Example Base- n Calculations Example 1: To select binary as the number base and calculate 1 2 + 1 2 A l (BIN) 1+1 E Example 2: To select octal as the number base and calculate 7 8 + 1 8 A i (OCT) 7+1 E • Inputting an invalid v alue causes a Syntax ERROR.
E-54 k Con ver ting a Displayed Result to another Number Base Pressing x (DEC), M (HEX), l (BIN), or i (OCT) while a calculation result is display ed will conv er t the result to the corresponding number base.
E-55 A Example Calculation Using Base- n Specifi cation Example: To perform the calculation 5 10 + 5 16 , and display the result in binary A l (BIN) X (LOGIC) d 1 (d) 5+ X (LOGIC) d 2 (h) 5 E k P erf.
E-56 A Complement/In version (Not) Returns the complement (bitwise inversion) of a v alue. Example: Not(1010 2 ) = 1111110101 2 X (LOGIC) e 2 (Not) 1010) E A Negation (Neg) Returns the twos complement of a value.
E-57 E (Prompt for input f or variable a ) Input 8 for v ariable a : 8 E Input 5 for v ariable b : 5 E Input 5 for v ariable c : 5 E • As shown above , the calculation result appears after you assign v alues to all of the required variables .
E-58 A Displaying a Built-in Form ula While inputting values f or the variables of a f or mula, you can displa y the formula by pressing 1 G (LOOK). (V alue Input Screen) 1 G (LOOK) • If the formula is too long to fi t on the displa y use the e ke y to scroll to the right to view the missing par t.
E-59 No . 05 Normal Probability Function Q( x ) Uses Hastings’ estimate formula to determine the probability of a standard nor mal distribution Q( x ) illustrated below when the standardiz ed variate ( x ) is known. Important! Since this is an estimate formula, proper precision ma y not be obtainable.
E-60 No . 10 V oltage Gain Determines the voltage gain ( G ) of an amplifi er circuit when input voltage ( E ) and output voltage ( E´ ) are known. G[ d B] = 20 log 10 ( E ' / E > 0) E ' E () [ d B] G[ d B] = 20 log 10 ( E ' / E > 0) E ' E () [ d B] Units: E and E Ϣ : V , G : d B No .
E-61 No . 15 Cycle of Simple P endulum Determines the cycle ( T ) of a simple pendulum with a string of length . T = 2 π g ( g : gra vitational acceleration, > 0 ) T = 2 π g ( g : gra vitational acceleration, > 0 ) Units: : m , T : seconds No .
E-62 No . 21 Bernoulli’ s Theorem Determines the fi x ed value ( C ) of an inviscid fl uid (steady fl ow , incompressible fl uid) when the fl ow velocity ( v ), location (height) ( z ), specifi c weight ( ρ ), and pressure ( P ) are known.
E-63 k Creating a Program A Creating a New Pr ogram Example: To create a program that con verts inches to centimeters (1 inch = 2.54 cm) ? → A : A × 2.54 1. Press , g (PRGM) to enter the PRGM Mode. 2. Press b (EDIT). Program areas that already contain program data (P1 through P4) Remaining program memory capacity 3.
E-64 6. After inputting the program, press A or ! 5 (EXIT). • T o run the program you just created, press w here to display the R UN Program screen. For more information, see “Running a Prog ram” below . • T o return to the nor mal calculation screen, press , b to enter the COMP Mode.
E-65 2. Press d (DEL). Program areas that already contain program data (P1 through P4) Remaining program memory capacity 3. Use number keys b through e to select the program area whose progr am you want to delete.
E-66 → (V ariable Assignment) Syntax {expression ; ?} → {v ariable} Function Assigns the value obtained b y the element on the left to the variable on the right. Example A+5 → A : (Separator Code) Syntax {statement} : {statement} : ... : {statement} Function Separates statements.
E-67 Example Lbl 1 : ? → A : A > 0 S ' (A) ^ Goto 1 =, ≠ , > , > , < , < (Relational Operators) Syntax {expression} {relational oper ator} {expression} Function These commands ev aluate the expressions on either side , and return a value of true (1) or false (0).
E-68 For~T o~Next Syntax For {e xpression (star ting value)} → {variable (control v ariable)} T o {expression (ending value)} : {statement} : ... {statement} : Next : .... Function Execution of the statements from F or to Next repeats as the control variable is incremented by 1 with each e xecution, starting from the star ting value.
E-69 Important! With some setup commands, the settings you confi gure remain in effect e ven after you fi nish running the program. Angle Unit Commands Deg, Rad, Gra (COMP , CMPLX, SD , REG) Syntax .
E-70 A Clear Commands ClrMemory (COMP , CMPLX, BASE) Syntax .. : ClrMemory : .. Operation ! j (CLR) b (Mem) Function This command clears all variables (A, B , C, D , X, Y , M) to zero. Note To clear a specifi c variable, use 0 → {variable}. ClrStat (SD , REG) Syntax .
E-71 Important! To input a semicolon (;) in the abov e syntax, press ! , (;). T o input a comma (,), press , . Operation l (Inputs DT .) Function Use this command to input one set of sample data. The DT command functions the same wa y as the l ke y ( DT k ey) in the SD Mode and REG Mode.
E-72 Sequence Operation Type Description 7M u l t i plication, Division Omitted Multiplication Sign ×, ÷ Multiplication sign can be omitted immediately before π , e , variables, scientifi c constants (2 π , 5A, π A, 3mp, 2 i , etc.), and parenthetical functions (2 ' (3), Asin(30), etc.
E-73 Note When inputting a value in the CMPLX Mode, each v alue takes up two stack lev els: one for the real part and one for the imaginary par t. This means that the numeric stack has only fi ve le vels in the CMPLX Mode.
E-74 Functions Input Range e x –9.999999999×10 99 < x < 230.2585092 ' x 0 < x < 1×10 100 x 2 | x | < 1×10 50 1/ x | x | < 1×10 100 ; x G 0 3 ' x | x | < 1×10 100 .
E-75 A Recovering fr om an Error Message Y ou can recover from an error message b y performing the ke y operations described below , regardless of the error type.
E-76 Data Full Cause Y ou are attempting to store sample data in the SD Mode or REG Mode when the allowab le number of data samples are already stored in memory . Action K eep the n umber of data samples within the allowab le limit. For more information, see “Maxim um Number of Input Data Items” on page 38.
E-77 1. Press !A (OFF) to turn off the calculator. To ensure that you do not accidentally turn on the calculator while replacing the battery , slide the hard case into the front of the calculator . 2. On the back of the calculator , remov e the screw and the battery cover .
CASIO Europe GmbH Bornbarch 10, 22848 Norderstedt, Germany This mark applies in EU countries only ..
CASIO COMPUTER CO., L TD. 6-2, Hon-machi 1-chome Shibuya-ku, T okyo 151-8543, Japan SA0603-A Printed in China.
デバイスCasio fx-50Fの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Casio fx-50Fをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはCasio fx-50Fの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Casio fx-50Fの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Casio fx-50Fで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Casio fx-50Fを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はCasio fx-50Fの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Casio fx-50Fに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちCasio fx-50Fデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
