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Independent memory (m) – HP 300s Scientific Calculator User Manual

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(Continuing)

Pressing

automatically inputs the “Ans” command.

• In this procedure, you need to perform the second

calculation immediately after the first one. If you need to
recall Answer Memory contents after pressing

, press

the

key.

Inputting Answer Memory Contents into an Expression

Example: To perform the calculations shown below:
123 + 456 = 579 789 - 579 = 210

Independent Memory (M)

You can add calculation results to or subtract results from an
independent memory. The “M” appears on the display when
independent memory contains a value.

Independent Memory Overview

The following is a summary of the different operations you can
perform using independent memory.

• You can also insert the M variable into a calculation, which

tells the calculator to use the current independent memory
contents at that location. The following is the key operation
for inserting the M variable:

(M)

To do this:

Perform this key
operation:

Add the displayed value or result of the
expression to independent memory

Subtract the displayed value or result of the
expression from independent memory

(M-)

Recall current independent memory contents

(M)