User Guide
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...key before using the calculator for the first time. • Even if the calculator is operating normally, replace the battery at least once every three years for the fx115MS/fx-570MS/fx-991MS, or at least once every two years for the fx-95MS/fx-100MS. A dead battery can cause slow display response, total failure of the display, and shortening of battery... data. • Avoid use of this unit discharges slightly during shipment and storage. Also avoid leaving the calculator in connection with this manual are subject to change without notice. • In no event shall CASIO Computer Co...
...key before using the calculator for the first time. • Even if the calculator is operating normally, replace the battery at least once every three years for the fx115MS/fx-570MS/fx-991MS, or at least once every two years for the fx-95MS/fx-100MS. A dead battery can cause slow display response, total failure of the display, and shortening of battery... data. • Avoid use of this unit discharges slightly during shipment and storage. Also avoid leaving the calculator in connection with this manual are subject to change without notice. • In no event shall CASIO Computer Co...
User Guide
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Contents Removing and Replacing the Calculator's Cover 1 Safety Precautions 2 Handling Precautions 3 Two-line Display 7 Before getting started 7 kModes 7 kInput Capacity 8 kMaking Corrections During Input 9 kReplay Function 9 kError Locator 9 kMulti-statements 10 kExponential Display Formats 10 kDecimal Point and Separator Symbols 11 k Initializing the Calculator 11 Basic Calculations 11 k Arithmetic Calculations 11 kFraction Operations 12 kPercentage Calculations 14 kDegrees, Minutes, Seconds Calculations 15 kFIX, SCI, RND 15 Memory Calculations 16 kAnswer Memory 16 ...
Contents Removing and Replacing the Calculator's Cover 1 Safety Precautions 2 Handling Precautions 3 Two-line Display 7 Before getting started 7 kModes 7 kInput Capacity 8 kMaking Corrections During Input 9 kReplay Function 9 kError Locator 9 kMulti-statements 10 kExponential Display Formats 10 kDecimal Point and Separator Symbols 11 k Initializing the Calculator 11 Basic Calculations 11 k Arithmetic Calculations 11 kFraction Operations 12 kPercentage Calculations 14 kDegrees, Minutes, Seconds Calculations 15 kFIX, SCI, RND 15 Memory Calculations 16 kAnswer Memory 16 ...
User Guide
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... kSquare Roots, Cube Roots, Roots, Squares, Cubes, Reciprocals, Factorials, Random Numbers, π, and Permutation/Combination 20 kAngle Unit Conversion 21 kCoordinate Conversion (Pol (x, y), Rec (r 21 kEngineering Notation Calculations 22 Equation Calculations 22 kQuadratic and Cubic Equations 22 kSimultaneous Equations 24 Statistical Calculations 26 Standard Deviation 26 Regression Calculations 28 Technical Information 32 kWhen you have a problem 32 kError Messages 32 kOrder of Operations 34 kStacks 35 kInput Ranges 36 Power Supply (fx-95MS only 38 Specifications (fx...
... kSquare Roots, Cube Roots, Roots, Squares, Cubes, Reciprocals, Factorials, Random Numbers, π, and Permutation/Combination 20 kAngle Unit Conversion 21 kCoordinate Conversion (Pol (x, y), Rec (r 21 kEngineering Notation Calculations 22 Equation Calculations 22 kQuadratic and Cubic Equations 22 kSimultaneous Equations 24 Statistical Calculations 26 Standard Deviation 26 Regression Calculations 28 Technical Information 32 kWhen you have a problem 32 kError Messages 32 kOrder of Operations 34 kStacks 35 kInput Ranges 36 Power Supply (fx-95MS only 38 Specifications (fx...
User Guide
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... selection. fx-95MS Modes To perform this type of calculation: Perform this To enter key operation: this mode: Basic arithmetic calculations F 1 COMP Standard deviation F 2 SD Regression calculations F 3 REG Solution of the mantissa has more than three digits. A separator symbol is displayed every three digits when the integer part of equations F F 1 EQN 7 Users of other models should refer to view both the calculation formula and its result at the same time. • The upper line shows the calculation formula. •...
... selection. fx-95MS Modes To perform this type of calculation: Perform this To enter key operation: this mode: Basic arithmetic calculations F 1 COMP Standard deviation F 2 SD Regression calculations F 3 REG Solution of the mantissa has more than three digits. A separator symbol is displayed every three digits when the integer part of equations F F 1 EQN 7 Users of other models should refer to view both the calculation formula and its result at the same time. • The upper line shows the calculation formula. •...
User Guide
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Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character: COMP Deg Norm 1 ab/c Dot • Mode indicators appear in the upper part of the display. • Be sure to input more than twice displays additional setup screens. If you can use in order to let you press a number key or arithmetic operator key A A or p key operation does not take up a step, so inputting A D, for a single calculation. Example: Equation Calculations EQN Note! • To return the calculation mode and setup to 79 steps for...
Calculation Mode: Angle Unit: Exponential Display Format: Fraction Display Format: Decimal Point Character: COMP Deg Norm 1 ab/c Dot • Mode indicators appear in the upper part of the display. • Be sure to input more than twice displays additional setup screens. If you can use in order to let you press a number key or arithmetic operator key A A or p key operation does not take up a step, so inputting A D, for a single calculation. Example: Equation Calculations EQN Note! • To return the calculation mode and setup to 79 steps for...
User Guide
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k Replay Function • Every time you initialize modes and settings by any of the following actions. Pressing [ again back steps sequentially (new-to-old) through past calculations. • Pressing the e or r key while a replay memory calculation is on the display changes to the editing screen. • Pressing the e or r key immediately after you finish a calculation displays the editing screen for that calculation. • Pressing t does not clear replay memory, so you...
k Replay Function • Every time you initialize modes and settings by any of the following actions. Pressing [ again back steps sequentially (new-to-old) through past calculations. • Pressing the e or r key while a replay memory calculation is on the display changes to the editing screen. • Pressing the e or r key immediately after you finish a calculation displays the editing screen for that calculation. • Pressing t does not clear replay memory, so you...
User Guide
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... change the exponential display format, press the F key a number of times until you can display up of two or more smaller expressions, which are automatically displayed using exponential notation. On the format selection screen that appears, press 1 to 10 digits. In the case of the examples in this manual show calculation re- sults using a colon ( : ). • Example: To add 2 + 3 and then multiply the result by 4 2 + 3 p \ g - 4 = 2+3 5.Disp = Ans×4 20. Larger values...
... change the exponential display format, press the F key a number of times until you can display up of two or more smaller expressions, which are automatically displayed using exponential notation. On the format selection screen that appears, press 1 to 10 digits. In the case of the examples in this manual show calculation re- sults using a colon ( : ). • Example: To add 2 + 3 and then multiply the result by 4 2 + 3 p \ g - 4 = 2+3 5.Disp = Ans×4 20. Larger values...
User Guide
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... following key operation when you want to initialize the calculation mode and setup, and clear replay memory and variables. A B 3(All) = Basic Calculations COMP k Arithmetic Calculations Use the F key to enter the COMP Mode when you want for the decimal point and 3-digit separator. • To change the decimal point and separator symbol set- COMP F 1 • Negative values inside of times until you want to specify the symbols you reach the setup screen shown below. Disp 1 • Display the selection screen...
... following key operation when you want to initialize the calculation mode and setup, and clear replay memory and variables. A B 3(All) = Basic Calculations COMP k Arithmetic Calculations Use the F key to enter the COMP Mode when you want for the decimal point and 3-digit separator. • To change the decimal point and separator symbol set- COMP F 1 • Negative values inside of times until you want to specify the symbols you reach the setup screen shown below. Disp 1 • Display the selection screen...
User Guide
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...; Decimal) 1 C 2 = 1 2.00 C 0.500 C 1 2.00 uMixed Fraction ↔ Improper Fraction Conversion • Example: 1 2 3 ↔ 5 3 1 C 2 C 3 = 1 2 3.00 A B 5 3.00 A B 1 2 3.00 • You can use . 1(ab/c): Mixed fraction 2(d/c): Improper fraction 13 fx-95MS: 1 Other Models: 1 r • Press the number key (1 or 2) that corresponds to the setting you want to use the display setup (Disp) screen to specify the display format when a fraction calculation result is greater than one. • To change the fraction display format, press the q key a number of times until...
...; Decimal) 1 C 2 = 1 2.00 C 0.500 C 1 2.00 uMixed Fraction ↔ Improper Fraction Conversion • Example: 1 2 3 ↔ 5 3 1 C 2 C 3 = 1 2 3.00 A B 5 3.00 A B 1 2 3.00 • You can use . 1(ab/c): Mixed fraction 2(d/c): Improper fraction 13 fx-95MS: 1 Other Models: 1 r • Press the number key (1 or 2) that corresponds to the setting you want to use the display setup (Disp) screen to specify the display format when a fraction calculation result is greater than one. • To change the fraction display format, press the q key a number of times until...
User Guide
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... number key (1, 2, or 3) that corresponds to change. 1 (Fix): Number of decimal places 2 (Sci): Number of significant digits 3 (Norm): Exponential display format • Example 1: 200 Ö 7 ҂ 14 ҃ 200 \ 7 - 14 = (Specifies three decimal places.) F..... 1(Fix) 3 400.00 FIX 400.00000 15 k Degrees, Minutes, Seconds Calculations • You can perform sexagesimal calculations using degrees (hours), minutes, and seconds, and convert between sexagesimal and decimal values. • Example 1: To convert the decimal value 2.258 to a sexagesimal value and then back to a decimal...
... number key (1, 2, or 3) that corresponds to change. 1 (Fix): Number of decimal places 2 (Sci): Number of significant digits 3 (Norm): Exponential display format • Example 1: 200 Ö 7 ҂ 14 ҃ 200 \ 7 - 14 = (Specifies three decimal places.) F..... 1(Fix) 3 400.00 FIX 400.00000 15 k Degrees, Minutes, Seconds Calculations • You can perform sexagesimal calculations using degrees (hours), minutes, and seconds, and convert between sexagesimal and decimal values. • Example 1: To convert the decimal value 2.258 to a sexagesimal value and then back to a decimal...
User Guide
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... calculation. k Independent Memory • Values can be input directly into memory, added to 12 digits for the mantissa and two digits for calculating cumulative totals. • Independent memory uses the same memory area as the first value of the above key operations results in Answer Memory. • The result of a calculation can also be used with a subsequent Type A function (x2, x3, x-1, x!, DRG'), +, -, ^(xy), x , ҂, Ö, nPr and nCr. tion performed by pressing g. • Answer Memory...
... calculation. k Independent Memory • Values can be input directly into memory, added to 12 digits for the mantissa and two digits for calculating cumulative totals. • Independent memory uses the same memory area as the first value of the above key operations results in Answer Memory. • The result of a calculation can also be used with a subsequent Type A function (x2, x3, x-1, x!, DRG'), +, -, ^(xy), x , ҂, Ö, nPr and nCr. tion performed by pressing g. • Answer Memory...
User Guide
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...; 28 ҃ 6.9 193.2 A j 1 \ 23 = p 1 \ 28 = Scientific Function Calculations COMP Use the F key to enter the COMP Mode when you want to appear on the display before starting the next calculation. • π = 3.14159265359 k Trigonometric/Inverse Trigonometric Functions • To change the default angle unit (degrees, radians, grads), press the F key a number of the variables. COMP F 1 • Certain types of calculations may take a long time to complete. • Wait for the...
...; 28 ҃ 6.9 193.2 A j 1 \ 23 = p 1 \ 28 = Scientific Function Calculations COMP Use the F key to enter the COMP Mode when you want to appear on the display before starting the next calculation. • π = 3.14159265359 k Trigonometric/Inverse Trigonometric Functions • To change the default angle unit (degrees, radians, grads), press the F key a number of the variables. COMP F 1 • Certain types of calculations may take a long time to complete. • Wait for the...
User Guide
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... solution appears first. x + 2 = 0 (x = 2, -1, 1) (Degree?) 3 (a?) 1 = (b?) D 2 = (c?) D 1 = (d?) 2 = (x1 = 2) ] (x2 = -1) ] (x3 = 1) • If a result is indicated by the "R↔I" symbol on the screen and make changes, if you want. • Note that you input a value for the equation. Pressing the t key at this point returns to the coefficient input screen. • Certain coefficients can use the [ and ] keys to move between coefficients on the display. solutions. This is a complex number, the real part of the solutions...
... solution appears first. x + 2 = 0 (x = 2, -1, 1) (Degree?) 3 (a?) 1 = (b?) D 2 = (c?) D 1 = (d?) 2 = (x1 = 2) ] (x2 = -1) ] (x3 = 1) • If a result is indicated by the "R↔I" symbol on the screen and make changes, if you want. • Note that you input a value for the equation. Pressing the t key at this point returns to the coefficient input screen. • Certain coefficients can use the [ and ] keys to move between coefficients on the display. solutions. This is a complex number, the real part of the solutions...
User Guide
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Variable name x= Arrow indicates direction you should scroll to the coefficient input screen. • Example: To solve the following simultaneous equations 2x + 3y - Pressing the t key at this point returns to 0. Calculation starts and one of the solutions for the equation. Use [ and ] to view other solutions. z = 15 3x - 2y + 2z = 4 5x + 3y - 4z = 9 (x = 2, y = 5, z = 4) (Unknowns?) (a1?) ....... (d1?) (a2?) ....... (d2?) (a3?) ....... (d3?) (x = 2) (y = 5) (z = 4) 3 2 = 3 = D1 = 15 = 3 = D 2 = 2 = 4 = 5 = 3 = D 4 = 9 = ] ] 25 view other...
Variable name x= Arrow indicates direction you should scroll to the coefficient input screen. • Example: To solve the following simultaneous equations 2x + 3y - Pressing the t key at this point returns to 0. Calculation starts and one of the solutions for the equation. Use [ and ] to view other solutions. z = 15 3x - 2y + 2z = 4 5x + 3y - 4z = 9 (x = 2, y = 5, z = 4) (Unknowns?) (a1?) ....... (d1?) (a2?) ....... (d2?) (a3?) ....... (d3?) (x = 2) (y = 5) (z = 4) 3 2 = 3 = D1 = 15 = 3 = D 2 = 2 = 4 = 5 = 3 = D 4 = 9 = ] ] 25 view other...
User Guide
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... input. Population Standard Deviation (σn) = 1.316956719 Arithmetic Mean (o) = 53.375 Number of Data (n) = 8 Sum of Values (Σx) = 427 Sum of Squares of Values (Σx2) = 22805 A X 2 = A X 1 = A U 3 = A U 2 = A U 1 = Data Input Precautions • S S inputs the same data twice. • You can perform the above key operations in calcula- If you input multiple entries of the same data using [ and ] by pressing A U. If this happens, press the = key to replace the old value with the new one. To input the data...
... input. Population Standard Deviation (σn) = 1.316956719 Arithmetic Mean (o) = 53.375 Number of Data (n) = 8 Sum of Values (Σx) = 427 Sum of Squares of Values (Σx2) = 22805 A X 2 = A X 1 = A U 3 = A U 2 = A U 1 = Data Input Precautions • S S inputs the same data twice. • You can perform the above key operations in calcula- If you input multiple entries of the same data using [ and ] by pressing A U. If this happens, press the = key to replace the old value with the new one. To input the data...
User Guide
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... statistical calculations using regression. Press 2 to exit data input without saving it in the SD Mode or REG Mode, you just input. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad) Regression Calculations REG Use the F key to enter the REG Mode when you want to use. 1 (Lin) : Linear regression 2 (Log) : Logarithmic regression 3 (Exp) : Exponential regression r 1 (Pwr) : Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression 28 REG F 3 (fx-95MS) F F 2 (Other Models) • Entering the REG Mode displays screens...
... statistical calculations using regression. Press 2 to exit data input without saving it in the SD Mode or REG Mode, you just input. Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad) Regression Calculations REG Use the F key to enter the REG Mode when you want to use. 1 (Lin) : Linear regression 2 (Log) : Logarithmic regression 3 (Exp) : Exponential regression r 1 (Pwr) : Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression 28 REG F 3 (fx-95MS) F F 2 (Other Models) • Entering the REG Mode displays screens...
User Guide
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... 5 key.The calculator performs a self-check operation and deletes all data stored in memory if any abnormality is detected. Technical Information k When you always keep written copies of the same data us- Check the formula you are not what you expect or if an error occurs, perform the following steps. 1. Make sure you have a problem...... Press A B 2(Mode) = to confirm it is on 32 Enter...
... 5 key.The calculator performs a self-check operation and deletes all data stored in memory if any abnormality is detected. Technical Information k When you always keep written copies of the same data us- Check the formula you are not what you expect or if an error occurs, perform the following steps. 1. Make sure you have a problem...... Press A B 2(Mode) = to confirm it is on 32 Enter...
User Guide
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... variable name: 2π, 3e, 5A, πA, etc. 6 Type B functions: With these functions, the function key is pressed and then the value is pressed. • Action • Press e or r to display the location of the cause of π, e (natu- x3, x2, xҀ1, x!, ° ' " Engineering symbols* Normal distribution: →t * m, m1, m2, n Angle unit conversions (DRG') Metric conversions** 3 Powers and roots: ^ (xy), x 4 ab/c 5 Abbreviated multiplication format in front of the error and make...
... variable name: 2π, 3e, 5A, πA, etc. 6 Type B functions: With these functions, the function key is pressed and then the value is pressed. • Action • Press e or r to display the location of the cause of π, e (natu- x3, x2, xҀ1, x!, ° ' " Engineering symbols* Normal distribution: →t * m, m1, m2, n Angle unit conversions (DRG') Metric conversions** 3 Powers and roots: ^ (xy), x 4 ab/c 5 Abbreviated multiplication format in front of the error and make...
User Guide
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... a calculation that is so complex that is a negative number, the negative number must be enclosed within parentheses. exIn 120 → ex{In( 120)} • Other operations are performed first. • When a calculation contains an argument that the capacity of a stack is required when the calculation includes a high-priority Type A function, or power or root operations. Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS...
... a calculation that is so complex that is a negative number, the negative number must be enclosed within parentheses. exIn 120 → ex{In( 120)} • Other operations are performed first. • When a calculation contains an argument that the capacity of a stack is required when the calculation includes a high-priority Type A function, or power or root operations. Squaring a matrix, cubing a matrix, or inverting a matrix uses one stack level. (fx-570MS, fx-991MS...
User Guide
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... a function's singular point and point of inflection, errors are cumulative in improper operation. Screw 38 * For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation error is ±1 at the last significant digit.) Errors are cumulative and may become large. Screw 2 Remove the six screws that hold the back cover in place and then remove the back cover. 3 Remove the old battery. 4 Load a new battery...
... a function's singular point and point of inflection, errors are cumulative in improper operation. Screw 38 * For a single calculation, calculation error is ±1 at the 10th digit. (In the case of exponential display, calculation error is ±1 at the last significant digit.) Errors are cumulative and may become large. Screw 2 Remove the six screws that hold the back cover in place and then remove the back cover. 3 Remove the old battery. 4 Load a new battery...
