On/off, cancel operations
To turn on
To turn off
to turn on the calculator.
When the calculator is on, the
to turn the calculator off.
To save power, the calculator turns itself off after several
minutes of inactivity. All stored and displayed information
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