Tools 157
Calculator
Allows you to perform simple mathematical calculations.
To open and use the Calculator
Touch the Apps Key 
> Calculator 
.
Enter numbers and arithmetic operators on the Basic panel.
Drag the Basic panel to the left to open the Advanced panel. You can
also press the Menu Key 
and touch Advanced panel.
Touch and hold the Calculator’s display to open a Context menu where you can copy what you’ve entered and access other tools.
Touch Clear to delete the last number or operator you entered. Touch and hold Clear to delete all of the entered information.
Press the Menu Key 
and touch Clear history to delete all the calculated information.