HP 39g+ - Manual (Page 34)

1-24 Getting started
Clearing the
display history
It’s a good habit to clear the display history ( >6+,)7@
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 Fractions, as follows:
Setting
Fraction mode
1. In HOME, open the HOME MODES input form.
>6+,)7@
MODES
2. Select Number Format and press 8CPPT— to display the
options, then select Fraction.
*e,
8CPPT—Ã
*e,*e,*e,*e,
3. Press PF— to select the
option, then select the precision value.
PF—
*A,
4. Enter the precision that you want to use, and press PF— to
set the precision. Press
>+20(@ to return to HOME.
See “Setting fraction precision” below for more
information.