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Getting Started; On/off, Cancel Operations - HP 40gs User Manual

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Getting started

On/off, cancel operations

To turn on
To cancel
To turn off
HOME
Protective cover
Getting started
Press
to turn on the calculator.
When the calculator is on, the
current operation.
Press
to turn the calculator off.
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
available in the HOME. The name of the current aplet is
displayed in the title of the home view.
The calculator is provided with a slide cover to protect the
display and keyboard. Remove the cover by grasping
both sides of it and pulling down.
You can reverse the slide cover and slide it onto the back
of the calculator. this will help prevent you losing the
cover while you are using the calculator.
To prolong the life of the calculator, always place the
cover over the display and keyboard when you are not
using the calculator.
key cancels the
. All mathematical functions are
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1-1

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