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Memory calculations, Constant memory calculations – Casio FX 65 User Manual

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FX 65 Training guide

Memory


Memory Calculations

The memory function is convenient for calculating cumulative totals.
[M+]

Adds displayed value to memory.


[MR]

Recalls the value stored in memory.


[SHIFT] [MC]

Clears memory.


[SHIFT] [M-]

Subtracts the displayed value from memory.


[SHIFT] [X-M]

Swaps the displayed value with the value currently in memory.


Constant Memory Calculations

A pair of constant memories let you store operators and values. Once stored, a value
and operator can be recalled with the touch of a key as necessary.

• Arithmetic operators (+, -, x, ÷), power, and root operations can be stored in

constant memory.

• An error will occur if you try to store only an operator or only a value.

• You can store data in constant memory immediately after pressing the [AC] key.

• Storing data to a memory that already contains data replaces the old data with

the new.

[SHIFT] [SET1]

Stores data into constant memory F1.

[SHIFT] [SET2]

Stores data into constant memory F2.


[F1]

Recalls data from constant memory F1.

[F2]

Recalls data from constant memory F2.


[AC] [SHIFT] [SET1] Clears constant memory F1.
[AC] [SHIFT] [SET2] Clears constant memory F2.

[AC] [F1]

Displays the contents of constant memory F1.

[AC] [F2]

Displays the contents of constant memory F2.


Examples:
To store x 123 in constant memory F1: [AC] [x] [123] [SHIFT] [SET1]
To use constant memory (multiply by 123):

[AC] [2] [F1]

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References the Casio FX-65 User’s Guide

Casio FX-65 Fraction calculator