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Casio fx-7400G PLUS Getting Acquainted User Manual

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Contents

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Chapter 1 Getting Acquainted ...................................................... 1

1. Using the Main Menu ............................................................................ 2

2. Key Table ............................................................................................... 4

3. Key Markings ........................................................................................ 6

4. Selecting Modes ................................................................................... 6

Using the Set Up Screen ............................................................................... 6
Set Up Screen Function Key Menus ............................................................. 7

5. Display ....................................................................................................9

About the Display Screen .............................................................................. 9
About Menu Item Types ................................................................................. 9
Exponential Display ..................................................................................... 10
Special Display Formats .............................................................................. 11
Calculation Execution Screen ...................................................................... 11

6. Contrast Adjustment .......................................................................... 11

7. When you keep having problems… .................................................. 12

Get the Calculator Back to its Original Mode Settings ................................ 12
Low Battery Message .................................................................................. 12

Chapter 2 Basic Calculations ..................................................... 13

1. Addition and Subtraction ................................................................... 14

2. Multiplication ...................................................................................... 14

3. Division .................................................................................................14

4. Quotient and Remainder Division ..................................................... 15

5. Mixed Calculations ............................................................................. 16

(1) Mixed Arithmetic Calculation Priority Sequence .................................... 16
(2) Parentheses Calculation Priority Sequence .......................................... 17
(3) Negative Values ..................................................................................... 17
(4) Exponential Expressions ....................................................................... 17
(5) Rounding ............................................................................................... 18

6. Other Useful Calculation Features .................................................... 18

(1) Answer Memory (Ans) ........................................................................... 18
(2) Consecutive Calculations ...................................................................... 18
(3) Replay .................................................................................................... 19
(4) Error Recovery ....................................................................................... 19
(5) Making Corrections ................................................................................ 20

7. Using Variables ................................................................................... 21