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Calculator
Casio
fx-115ES, fx-991ES
CASIO COMPUTER CO., LTD
1
75
75
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75 pages, 904.69 Kb
CASIO COMPUTER CO., LTD.
6-2,
Hon-machi
1-chome
Shibuya-ku,
Tokyo
151-8543,
Japan
SA0411-B
Printed in China
Contents
Page
Page
About this Manual
Initializing the Calculator
Safety Precautions
Handling Precautions
Before Using the Calculator
kAbout the Display
kDisplay Indicators
Sample Display:
This
Means this:
Calculation Modes and
Calculator Setup
Specifying the Calculation Mode
Specifying the Input/Output Format
Specifying the Default Angle Unit
Specifying the Number of Display Digits
Specifying the Fraction Display Format
Specifying the Complex Number Display Format
Specifying the Statistical Display Format
Specifying the Decimal Point Display Format
Inputting Expressions and Values
Inputting a Function with Parenthesis
Omitting the Multiplication Sign
Final Closed Parenthesis
Displaying a Long Expression
Number of Input Characters (Bytes)
About the Insert and Overwrite Input Modes
Changing the Character or Function You Just Input
Deleting a Character or Function
Correcting a Calculation
Inserting Input into a Calculation
kDisplaying the Location of an Error
kInputting with Math Format
Functions and Symbols Supported for Math Format Input
Math Format Input Examples
Incorporating a Value into a Function
Displaying Calculation Results in a Form that Includes
, etc
Example 2: sin (60)
Example 3: sin–1 (0.5)
Angle Unit
k 'Form Calculation Range
Reasons why the results of the examples are displayed in decimal form
Basic Calculations
Number of Decimal Places and Number of Significant Digits
Omitting a Final Closed Parenthesis
Switching between Improper Fraction and Mixed Fraction Format
Switching between Fraction and Decimal Format
Inputting Sexagesimal Values
Sexagesimal Calculations
Converting Values between Sexagesimal and Decimal
Using Multi-statementsin Calculations
Using Calculation History Memory and Replay
Recalling Calculation History Memory Contents
Replay Function
Using Calculator Memory
Answer Memory Overview
Using Answer Memory to Perform a Series of Calculations
Inputting Answer Memory Contents into an Expression
Independent Memory Overview
Calculation Examples Using Independent Memory
Clearing Independent Memory
Variable Overview
Clearing the Contents of a Specific Variable
Using CALC
uExpressions that contain variables
uMulti-statements
uExpressions with a single variable on the left
Using SOLVE
Precautions when Using SOLVE
Solution Screen Contents
Continue Screen
Function Calculations
kConverting an Input Value to the
Calculator’s Default Angle Unit
kExponential Functions and Logarithmic
kPower Functions and Power Root
kIntegration Calculations
Tips on Improving Integration Value Accuracy
kDifferential Calculations
kΣ Calculations
kRectangular-PolarCoordinate Conversion
Converting to Polar Coordinates (Pol)
Converting to Rectangular Coordinates (Rec)
Factorial (!)
Absolute Value Calculation (Abs)
Random Number (Ran#)
Permutation (nPr) and Combination (nCr)
Rounding Function (Rnd)
Transforming Displayed
Values
Formats Supported for S-DTransformation
Examples of S-DTransformation
Complex Number Calculations
Examples of Calculation Results Using Rectangular Coordinate Format (a + bi)
Examples of Calculation Results Using Polar
Coordinate Format (r ∠ θ)
Specifying the Calculation Result Display Format
Statistical Calculation (STAT)
Selecting a Statistical Calculation Type
Displaying the STAT Editor Screen
STAT Editor Screen
FREQ (Frequency) Column
Rules for Inputting Sample Data on the STAT Editor Screen
STAT Editor Screen Input Precautions
Precautions Concerning Sample Data Storage
Editing Sample Data
STAT Menu Items
Single-variable (1-VAR)Statistical Calculation Commands
Distr Sub-menu(11(STAT)7(Distr))
Standard Normal Distribution
Commands when Linear Regression Calculation (A+BX) Is Selected
Commands when Quadratic Regression Calculation (_+CX2) Is Selected
Comments for Other Types of Regression
Command Usage Tips
Base-n Calculations
Inputting Values
Inputting Hexadecimal Values
Value Ranges
Specifying the Base during Input
Equation Calculations
Changing the Current Equation Type Setting
Rules for Inputting and Editing Coefficients
Initializing All Coefficients to Zero
Coefficient Editor Screen Input Precautions
Matrix Calculations
Creating a Matrix and Storing It in Matrix Memory
Copying the Contents of One Matrix to Another Matrix
Matrix Answer Memory Screen
kMatrix Menu Items
Generating a Number Table
from a Function
kSupported Function Types
kStart, End, and Step Value Rules
Vector Calculations (VECTOR)
Creating a Vector and Saving It in Vector Memory
Copying the Contents of One Vector to Another Vector
Vector Answer Memory Screen
Scientific Constants
Metric Conversion
Technical Information
kCalculation Priority Sequence
kStack Limitations
kCalculation Ranges, Number of Digits, and Precision
Page
kError Messages
Page
kBefore assuming malfunction of the calculator
Reference
Replacing the Battery
Auto Power Off
Specifications
CASIO COMPUTER CO., LTD