HP 39G User Manual page 33

Storing a value
in a variable
Accessing the
display history
Getting started
You can save an answer in a variable and use the variable in
later calculations. There are 27 variables available for storing
real values. These are A to Z and . See Chapter 11,
"Variables and memory management" for more information
on variables. For example:
1. Perform a calculation.
45 8 3
2. Store the result in the A variable.
A
3. Perform another calculation using the A variable.
95 2 A
Pressing enables the highlight bar in the display history.
While the highlight bar is active, the following menu and
keyboard keys are very useful:
Key Function
, Scrolls through the display history.
Copies the highlighted expression to the
position of the cursor in the edit line.
Displays the current expression in standard
mathematical form.
Deletes the highlighted expression from
the display history, unless there is a cursor
in the edit line.
Clears all lines of display history and the
edit line.
CLEAR
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