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Casio fx-50F - page 1
fx-50F PLUS User's Guide http://world.casio .com/edu/ RCA502903-001V01 E ...
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Casio fx-50F - page 2
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 . A After you are fi nished using the calculator ... Remov e the hard case from ...
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Casio fx-50F - page 3
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 . • The cursor key is marked with arrows indicating direction as sho wn in the illust ...
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Casio fx-50F - page 4
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. Nev er leav e a dead battery in the calculator. • The batt ...
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Casio fx-50F - page 5
E-4 Contents Getting Started ......................................................................................... 1 Before using the calculator f or the fi rst time... .................................................................... 1 Resetting the Calculator to Initial Defaults............................................................. ...
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Casio fx-50F - page 6
E-5 Coordinate Conv ersion (Rectangular ↔ P olar) ................................................................ 29 Other Functions ................................................................................................................ 31 Using 10 3 Engineering Notation (ENG) ................................................. 33 ENG Cal ...
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Casio fx-50F - page 7
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. 1. Press ! N (SETUP) d b (Contrast). • This will di ...
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Casio fx-50F - page 8
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 . 8 LOGIC T e xt: Green In the BASE Mode, press the ke y . k Reading the Display A Input Expressions and Calculation Results This calculator can display both the e xpressions you input and calculat ...
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Casio fx-50F - page 9
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) BASE (Base n ) d (BASE) SD (Single V ar iable Statistics) e (SD) REG (P aired V ar iable Statistics) f (REG) PRGM (Program) g (PRGM) • Pressing a nu ...
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Casio fx-50F - page 10
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. Example: 100 ÷ 7 = 14.286 (Fix = 3) 14.29 ...
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Casio fx-50F - page 11
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 ................................ COMP (Computation Mode) Angle Unit ........................................... Deg (Degrees) Ex ...
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Casio fx-50F - page 12
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 function with parentheses: 2 × sin(30), 2 × ' (3) • Before a prefi x symbol (excluding the minus sign): 2 × h123 • Before a v ariable name, ...
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Casio fx-50F - page 13
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. Original Expression Pressing + Insert Mode 1 ...
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Casio fx-50F - page 14
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. With the ov erwrite mode, mov e the cursor to the ke y operation you want to correct and then perf or m the correct k ...
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Casio fx-50F - page 15
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 . k Arithmetic Ca ...
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Casio fx-50F - page 16
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) 2 $ 3+1 $ 2 w Note • If the total number of elements (integer + numerator + denominator + separator symbols) of a fraction calculation result is gr ...
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Casio fx-50F - page 17
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 % = 0.02 ( 2 1 0 0 ) 2 ! ( (%) w Example 2: 150 × 20% = 30 (150 ...
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Casio fx-50F - page 18
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. A Inputting Sexagesimal V alues The f ...
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Casio fx-50F - page 19
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. k Accessing Calculation History The ` symbol in the upp ...
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Casio fx-50F - page 20
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. Example: 4 × 3 + 2.5 = 14 ...
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Casio fx-50F - page 21
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 . • The contents of Ans are replaced whenever y ou perform any of the f ollowing operations: calculate a calculation result, add a value to or subtract a v alue from independent memory ...
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Casio fx-50F - page 22
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 calculation as shown belo w 123 + 456 = 579 789 – 579 = 210 123+456 w 789- Kw Example 2: To determine the square root of 3 2 + 4 2 , and then add 5 to ...
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Casio fx-50F - page 23
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). I ...
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Casio fx-50F - page 24
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 variables B and C , and then use the var iables to perform another calculation 9*6+3 1t (ST O) $ (B) 5*8 1t (ST O) w (C) S $ (B) / Sw (C) w k Clearing ...
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Casio fx-50F - page 25
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. Press 1 7 (CONST). • This displays page 1 of the scientifi c ...
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Casio fx-50F - page 26
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. No. Scientifi c Constant Symbol V alue Unit 1-1 Pr ...
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Casio fx-50F - page 27
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 8.314472 J mol –1 K –1 7-4 Speed of light in v acuum C 0 299792458 m s –1 8-1 First r adiation ...
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Casio fx-50F - page 28
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 0.5 = 30 (Angle Unit: Deg) s 30) w 1 s (sin –1 ) 0.5) w A Notes • These functions can be used ...
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Casio fx-50F - page 29
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 = 1.175201194 w s (sinh) 1) E A Notes • After pressing w to specify a hyperbolic function or 1w to specify ...
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Casio fx-50F - page 30
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 ............................. { n } –1 (Reciprocal) {( m )}^({ n }) ....................... ...
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Casio fx-50F - page 31
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 ersion (Rec) Rec( r , Ƨ ) r : P olar coordinate r -value Ƨ : P olar coordinate Ƨ -value Example 1: To conv er t the rectangular coordinates ( &apos ...
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Casio fx-50F - page 32
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. A Factorial (!) Syntax: { n }! ({ n } must be a natural number or 0.) Example: (5 + 3)! (5+3) 1 X ( x !) E A Absolute V alue (Abs) When you are perf orming a real number c ...
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Casio fx-50F - page 33
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 r ) 4 E 10 1 / ( n C r ) 4 E A Rounding Function (Rnd) Yo u can use the rounding function (Rnd) to round the value , expression, or calculation result ...
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Casio fx-50F - page 34
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 , . Function Key Operation ENG / W ENG , 1W ( , ) k ENG Calculation E ...
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Casio fx-50F - page 35
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 . Use W ( i ) when inputting complex n umbers using rectangular coo ...
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Casio fx-50F - page 36
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. Imaginary axis Imaginary axis Real axis Real axis Rectangular Coordin ...
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Casio fx-50F - page 37
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. Example 2: 1 + 1 i = 1.414213562 ∠ 45 (Angle Unit: Deg) 1+1 W ( i ) E 1E (Re ⇔ Im) k Conjugate Complex Number (Conjg) Y ...
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Casio fx-50F - page 38
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. A Specifying Rec ...
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Casio fx-50F - page 39
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. Y ou can select the input method you want to use with the setup screen statistical frequency s ...
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Casio fx-50F - page 40
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 . { x 1 } m (DT) { x 2 } m ( ...
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Casio fx-50F - page 41
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. A Editing a Data Sample To edit a data sample, recall it, input the ne ...
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Casio fx-50F - page 42
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 . T ...
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Casio fx-50F - page 43
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 . The fi gures in the parentheses show the theoretical f ormulas. • Linear ...
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Casio fx-50F - page 44
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 ), ...( xn , yn ), and frequencies F req1, F req2, ... F req n . { x 1 } , { y 1 } 1 , (;) {F req1} m (DT) { x 2 } , { y 2 } 1 , (;) {F req2} m (DT) { xn } , { yn } 1 , (;) {F req n } m (DT) Not ...
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Casio fx-50F - page 45
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. Σ x 2 = Σ x i 2 ƙ x 1 1 (S-SUM) 2 Ob ...
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Casio fx-50F - page 46
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. y σ n –1 n – 1 = Σ ( y i – y ) 2 y σ n n = Σ ( y i – y ) 2 y σ n n = Σ ( y i – y ) 2 Regression Coeffi cient and Estimated V alue C ...
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Casio fx-50F - page 47
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). a 1 2 (S-V AR) 1 (V AR) ee 1 Obtains constant term a of the regression formula. b ...
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Casio fx-50F - page 48
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 . Σ x i ...
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Casio fx-50F - page 49
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 . Σ ( ln x i ) 2 – ( Σ ln x i ) 2 }{ n . Σ y i 2 – ( Σ y i ) 2 } ...
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Casio fx-50F - page 50
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 . Σ ( ln x i ) 2 – ( Σ ln x i ) 2 n . Σ ln x i ln y i – Σ ln x i . Σ ln y i Corr ...
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Casio fx-50F - page 51
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 . Example 1: The nearby tab le shows the pulse rates of 50 students who attend a high school for ...
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Casio fx-50F - page 52
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. 3 Predict the weight 350 ...
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Casio fx-50F - page 53
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. Obtain ţ when x = 350: 350 1 2 ...
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Casio fx-50F - page 54
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. • In the BASE Mode, input of fractional (decimal) values and e xponential values is ...
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Casio fx-50F - page 55
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. Example: To conv er t the decimal value 30 10 to binary , octal, and hexadecimal format Ax (DEC) 30 E l (BIN) i (OCT) M (HEX) k Using the LO ...
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Casio fx-50F - page 56
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 erforming Calculations Using Logical Operations and Negative Binary V alues Y our calculator can perform 10-digit (10-bit) binar y logical operations and ...
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Casio fx-50F - page 57
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. Example: Neg(101101 2 ) = 1111010011 2 X (LOGIC) e 3 (Neg) 101101) E Built-in Formulas Y our calculator has 23 built-in formulas for math ...
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Casio fx-50F - page 58
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 . • Pressing E while a calculation result is on the display will re-e xecute the formula from the beginni ...
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Casio fx-50F - page 59
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. • T o clear the formula from the displa y , p ...
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Casio fx-50F - page 60
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. No . 06 Coulomb’ s Law Determines the force ...
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Casio fx-50F - page 61
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 . 11 Impedance in an LRC Series Circu ...
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Casio fx-50F - page 62
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 . 16 Cycle of Spring P endulum Determines the cycle of simple oscillation ( T ) of a spring pendulu ...
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Casio fx-50F - page 63
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. C = v 2 ++ gz 2 1 ρ P ( g : gra vitational acceleration, v , z , ρ , P > 0 ) C = v 2 ++ gz 2 1 ? ...
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Casio fx-50F - page 64
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. Press the number key that cor ...
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Casio fx-50F - page 65
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. A Editing an Existing Program 1. Press , g (PRGM) b (EDI ...
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Casio fx-50F - page 66
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. • The symbol next to the number of the program area that contained the program y ou just deleted will turn off, and the remaining prog ...
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Casio fx-50F - page 67
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. Does not stop program e xecution. Example ? → A : A 2 : Ans 2 ...
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Casio fx-50F - page 68
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). These commands are used in combination with the branching comm ...
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Casio fx-50F - page 69
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. When the val ...
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Casio fx-50F - page 70
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 .. : Deg : .. .. : Rad : .. .. : Gra : .. Operation !, (SETUP) b (Deg) !, (SETUP) c (Rad) !, (SETUP) d (Gra) Function These commands specify the angle ...
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Casio fx-50F - page 71
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 .. : ClrStat : .. Operation ! j (CLR) b (Stat) Function This command clears all ...
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Casio fx-50F - page 72
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. A Functions Not Supported in Programs The follo wing function ...
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Casio fx-50F - page 73
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.) 8A ddition, Subtraction +, − 9R elational Operato ...
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Casio fx-50F - page 74
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. k Calculation Ranges, Number of Digits, and Precision The follo wing table shows the general calculation r ange (value input a ...
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Casio fx-50F - page 75
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 x !0 < x < 69 ( x is an integer) n P r 0 < n < 1×10 10 , 0 < r < n ( n , r are integers) 1 < { n !/( n – r )!} < 1×10 100 ...
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Casio fx-50F - page 76
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. • Press d or e to display the editing screen f or the calculation expression y ou input immediately before the error occurred, with the cursor positioned at the location that caused the ...
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Casio fx-50F - page 77
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. Go ERROR Cause A program (that you cr ...
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Casio fx-50F - page 78
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 . 3. Remove the old battery . 4. After wiping a new battery with a dr y cloth ...
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Casio fx-50F - page 79
CASIO Europe GmbH Bornbarch 10, 22848 Norderstedt, Germany This mark applies in EU countries only . ...
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Casio fx-50F - page 80
CASIO COMPUTER CO., L TD. 6-2, Hon-machi 1-chome Shibuya-ku, T okyo 151-8543, Japan SA0603-A Printed in China ...
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