HP 39gs - Manual (Page 35)

Getting started 1-25
Accessing the
display history
Pressing enables the highlight bar in the display
history. While the highlight bar is active, the following
menu and keyboard keys are very useful:
Clearing the
display history
It’s a good habit to clear the display history (
CLEAR ) whenever you have finished working in HOME. It
saves calculator memory to clear the display history.
Remember that all your previous inputs and results are
saved until you clear them.
Using fractions
To work with fractions in HOME, you set the number
format to
Fraction or Mixed Fraction, as follows:
Setting Fraction
mode
1. In HOME, open the HOME MODES input form.
MODES
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.
CLEAR
Clears all lines of display history and
the edit line.
HP 39gs English.book Page 25 Wednesday, December 7, 2005 11:24 PM