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1. Casio Fx-991es Calculator Battery
2. Casio Fx 991es Calculator

Casio Fx-991es Calculator Battery

Casio Fx 991es Calculator

• 3

  About This Manual
• 4

  Initializing the Calculator
• 5

  Safety Precautions
• 6

  Handling Precautions
• 7

  Before Using the Calculator
• 7

  Removing the Hard Case
• 7

  Turning Power On and Off
• 7

  Adjusting Display Contrast
• 8

  Display Indicators
• 9

  Calculation Modes and Calculator Setup
• 9

  Modes and Setup
• 9

  Specifying the Calculation Mode
• 9

  Configuring the Calculator Setup
• 12

  Inputting Expressions and Values
• 12

  Standard Format
• 13

  Omitting the Multiplication Sign
• 22

  K Arithmetic Calculations
• 23

  Fraction Calculations
• 24

  Percent Calculations
• 24

  Degree/minute/second
• 25

  Using Multi-statements in Calculations
• 26

  Using Calculation History Memory and Replay
• 26

  Replay Function
• 27

  Answer Memory
• 27

  Using Calculator Memory
• 30

  Using Calc
• 34

  Function Calculations
• 35

  Converting Input Value to Default Angle
• 35

  Exponential Functions/logarithmic Functions
• 36

  Power Functions/power Root Functions
• 36

  Integration Calculations
• 38

  Differential Calculations
• 39

  Rectangular-polar Coordinate Conversion
• 40

  Other Functions
• 42

  Practical Examples
• 42

  Using Engineering Notation
• 44

  Complex Number Calculations
• 44

  Inputting Complex Numbers
• 46

  Statistical Calculation Types
• 60

  Performing Matrix Calculations
• 63

  Supported Function Types
• 66

  Scientific Constants
• 67

  Metric Conversion
• 67

  Technical Information
• 67

  Calculation Priority Sequence
• 68

  Stack Limitations
• 71

  K Error Messages
• 73

  Before Assuming Malfunction of the Calculator
• 73

  Power Requirements and Battery
• 73

  Replacing the Battery
• 74

  Specifications
• 74

  Auto Power Off