Casio ClassWiz fx-991EX Manuals

Table of Contents

• 2

  Table of Contents
• 3

  About this Manual
• 3

  Initializing the Calculator
• 3

  Precautions
• 4

  Getting Started
• 5

  Calculation Mode
• 6

  Input and Output Formats
• 7

  Configuring the Calculator Setup
• 9

  Inputting Expressions and Values
• 11

  Toggling Calculation Results
• 11

  Basic Calculations
• 13

  Calculation History and Replay
• 14

  Using Memory Functions
• 15

  Function Calculations
• 18

  QR Code Function
• 19

  Complex Number Calculations
• 19

  Using CALC
• 20

  Using SOLVE
• 21

  Statistical Calculations
• 24

  Base-N Calculations
• 25

  Equation Calculations
• 26

  Matrix Calculations
• 28

  Creating a Number Table
• 29

  Vector Calculations
• 30

  Inequality Calculations
• 31

  Ratio Calculations
• 32

  Distribution Calculations
• 34

  Using Spreadsheet
• 38

  Scientific Constants
• 38

  Metric Conversion
• 38

  Errors
• 40

  Before Assuming Malfunction of the Calculator
• 40

  Replacing the Battery
• 41

  Technical Information
• 43

  Frequently Asked Questions
• 45

  Reference Sheet