Removing and Replacing the Calculator’s Cover • Before starting ...1 Holding the cover as shown in the illustration, slide the unit out of the cover. • After you are finished ...2 Holding the cover as shown in the illustration, slide the unit out of the cover.
• Remove the battery if you do not plan to use the calculator for a long time (fx-95MS/100MS/570MS). • Use only the type of battery specified for this calcu- lator in this manual. Disposing of the Calculator •...
• The contents of this manual are subject to change with- out notice. • In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of these materials.
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• Avoid use and storage in areas subjected to large amounts of humidity and dust. Take care never to leave the calculator where it might be splashed by water or exposed to large amounts of hu- midity or dust. Such conditions can damage internal cir- cuitry.
• The following table shows the modes and required operations for the fx-95MS only. Users of other mod- els should refer to the “User’s Guide 2 (Additional Functions)” for information about modes and their selection.
Setup screens are described in the sec- tions of this manual where they are actually used to change the calculator setup. • In this manual, the name of the mode you need to enter in order to perform the calculations being described is indicated in the main title of each section.
When you press the When you initialize modes and settings by pressing When you change from one calculation mode to another When you turn off the calculator. k Error Locator • Pressing calculation with the cursor positioned at the location where the error occurred.
• Example: To add 2 + 3 and then multiply the result by 4 k Exponential Display Formats This calculator can display up to 10 digits. Larger values are automatically displayed using exponential notation. In the case of decimal values, you can select between two formats that determine at what point exponential notation is used.
• To change the decimal point and separator symbol set- ting, press the the setup screen shown below. • Display the selection screen. fx-95MS: Other Models: • Press the number key ( the setting you want to use. (Dot):...
• It is not necessary to enclose a negative exponent within parentheses. –5 sin 2.34 • Example 1: 3 (5 10 • Example 2: 5 (9 7) • You can skip all k Fraction Operations uFraction Calculations • Values are displayed in decimal format automatically whenever the total number of digits of a fractional value (integer + numerator + denominator + separator marks) exceeds 10.
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• To change the fraction display format, press the a number of times until you reach the setup screen shown below. • Display the selection screen. fx-95MS: Other Models: • Press the number key ( the setting you want to use.
• An error occurs if you try to input a mixed fraction while the d/c display format is selected. k Percentage Calculations • Example 1 : To calculate 12% of 1500 (180) • Example 2: To calculate what percentage of 880 is 660 •...
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 value •...
(Internal calculation continues using 12 digits.) The following performs the same calculation using the specified number of decimal places. (Internal rounding) F ... 3 • Press tion. • Example 2: 1 Ö 3, displaying result with two significant digits (Sci 2) F ...
• You can recall Answer Memory contents by pressing • Answer Memory can store up to 12 digits for the mantissa and two digits for the exponent. • Answer Memory contents are not updated if the opera- tion performed by any of the above key operations re- sults in an error.
particular variable: letes the data assigned to variable A. • Perform the following key operation when you want to clear the values assigned to all of the variables. A B 1 (Mcl) • Example: 193.2 Ö 23 193.2 Ö 28 Scientific Function Calculations Use the F key to enter the COMP Mode when you...
• Example 1: sin 63 °52o41 • Example 2: cos • Example 3 : cos A V R L • Example 4: tan k Hyperbolic/Inverse Hyperbolic Functions • Example 1: sinh 3.6 • Example 2: sinh k Common and Natural Logarithms/ Antilogarithms •...
k Square Roots, Cube Roots, Roots, Squares, Cubes, Reciprocals, Factorials, Random Numbers, Permutation/Combination • Example 1: • Example 2: • Example 3: • Example 4: 123 • Example 5: 12 • Example 6: • Example 7: 8! • Example 8: To generate a random number between 0.000 and 0.999 (The above value is a sample only.
in the case of fx-100MS/fx-115MS/fx-570MS/ fx-991MS. k Angle Unit Conversion • Press • Pressing the corresponding angle unit. • Example: To convert 4.25 radians to degrees q ... 1 4.25 k Coordinate Conversion (Pol ( θ Rec ( • Calculation results are automatically assigned to vari- ables E and F.
Coefficient name F F 1 F F F 1 Deg r ee? Element value 56088 0.08125 (fx-95MS) (Other Models) displays the ini- Arrow indicates direction you should scroll to view other elements.
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• Any time until you input a value for the final coefficient ( for a quadratic equation, use the on the screen and make changes, if you want. • Note that you cannot input complex numbers for co- efficients. Calculation starts and one of the solutions appears as soon as you input a value for the final coefficient.
• Example 2: To solve the equation (Degree?) (a?) (b?) (c?) 1 = 0.25 + 0.75 2 = 0.25 – 0.75 k Simultaneous Equations Simultaneous Linear Equations with Two Unknowns: Simultaneous Linear Equations with Three Unknowns: Entering the EQN Mode displays the initial simultaneous equation screen.
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• Any time until you input a value for the final coefficient for two unknowns, use the on the screen and make changes, if you want. • Note that you cannot input complex numbers for coeffi- cients. Calculation starts and one of the solutions appears as soon as you input a value for the final coefficient.
Perform this key operation: σ σ (Stat clear) Each time you press the number of data input up to that point is σ ) = 1.407885953 (fx-95MS) (Other Models) (Scl) Σx A U 1 A U 2 A U 3 A X 1...
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Population Standard Deviation ( ) = 53.375 Arithmetic Mean ( ) = 8 Number of Data ( Σx Sum of Values ( ) = 427 Sum of Squares of Values ( Data Input Precautions • inputs the same data twice. •...
(Pwr) : (Inv) : (Quad) : Quadratic regression F F 2 L i n Log Ex p Pw r I nv Quad , or Linear regression Logarithmic regression Exponential regression Power regression Inverse regression (fx-95MS) (Other Models) ) that corresponds...
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• Always start data input with statistical memory. • Input data using the key sequence shown below. < -data> < • The values produced by a regression calculation depend on the values input, and results can be recalled using the key operations shown in the table below. To recall this type of value: Σx Σx...
• The values in the above tables can be used inside of expressions the same way you use variables. u Linear Regression • The regression formula for linear regression is: = A + B • Example: Atmospheric Pressure vs. Temperature Atmospheric Temperature Pressure...
Temperature at 1000 hPa = 4.642857143 Coefficient of Determination = 0.965517241 Sample Covariance = 35 u Logarithmic, Exponential, Power, and Inverse Regression • Use the same key operations as linear regression to re- call results for these types of regression. •...
Make sure you always keep written copies of all important data. k Error Messages The calculator is locked up while an error message is on A X r r 1 = A X r r 2 = –3...
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the display. Press to display the calculation and correct the problem. See “Error Locator” for details. Math ERROR • Causes • Calculation result is outside the allowable calculation range. • An attempt to perform a function calculation using a value that exceeds the allowable input range. •...
• Action • Press the error and make required corrections. k Order of Operations Calculations are performed in the following order of prec- edence. 1 Coordinate transformation: Pol ( d/dx Differentials: ∫dx Integrations: Normal distribution: P(*, Q(*, R(* 2 Type A functions: With these functions, the value is entered and then the function key is pressed.
Example: ( –2) –2 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 numeric stack has 10 levels and the command stack has 24 levels.
• Calculations are performed in sequence according to “Order of Operations.” Commands and values are de- leted from the stack as the calculation is performed. k Input Ranges Internal digits: 12 Accuracy*: As a rule, accuracy is ±1 at the 10th digit. Functions DEG 0 RAD 0...
This calculator is powered by a single AA-size battery. Replacing the Battery Dim figures on the display of the calculator indicate that battery power is low. Continued use of the calculator when the battery is low can result in improper operation. Re- place the battery as soon as possible when display fig- ures become dim.
Auto Power Off Calculator power automatically turns off if you do not per- form any operation for about six minutes. When this hap- pens, press Specifications Users of other models should refer to the “User’s Guide 2 (Additional Functions).”...
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CASIO COMPUTER CO., LTD. 6-2, Hon-machi 1-chome Shibuya-ku, Tokyo 151-8543, Japan SA0206-E Printed in China SA0206-D Printed in China CA 310063-1 CA 310067-1...
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