Getting started, On/off, cancel operations, To turn on to cancel – HP 39g Graphing Calculator User Manual
Page 13: To turn off, Home, On/off, cancel operations -1
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1
Getting started
On/off, cancel operations
To turn on
To cancel
To turn off
HOME
Press
I ON I
to turn on the calculator.
When the calculator is on, the
operation.
key cancels the current
Press
I
shift
I
off
to turn the calculator off.
To save power, the calculator turns itself off after several
minutes of inactivity. All stored and displayed information is
saved.
If you see the ((•)) annunciator or the Low Bat message,
then the calculator needs fresh batteries.
HOME is the calculator’s home view and is common to all
aplets. If you want to perform calculations, or you want to quit
the current activity (such as an aplet, a program, or an editor),
press
I HOME
I. All mathematical functions are available in the
HOME. The name of the current aplet is displayed in the title
of the home view.
Getting started
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