CHAPTER 8: CALCULATOR

The Calculator function turns the PRECOMPUTER POWER PAD™ PLUS unit into a calculator with a 14-digit memory. The number keys and the 19 specially marked keys in the second and third rows of the keyboard are used in the Calculator activity. To clear

the screen, use the

 

 

 

 

 

key at the top right of the keyboard.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BASIC CALCULATOR OPERATIONS

The basic calculator symbols are:

Addition:

or

+

Subtraction:or

Multiplication:

Division:

USING THE MEMORY FEATURES:

To input a number to memory:

To recall a number from memory:

To add a number to the number in memory:

To subtract a number from the number in memory:

Example:

Input

 

 

 

 

 

 

 

 

Display

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23 + 45 + 78

 

 

 

 

 

 

 

 

M =146

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23+45+78_

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

=

 

 

 

 

 

 

 

 

 

 

 

 

 

M =146

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

_

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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