Using your calculator
Tap the Home Button
(in the Touch Keys bar)
> the Apps icon 
(in the QuickTap bar) > the Tools folder 
> Calculator 
.Tap the number keys to enter numbers.
For simple calculations, tap the numbers and function (
, 
, 
or 
), then tap the Result button 
.
NOTE
For more complex calculations, you can switch to the Scientific calculator. Simply rotate the phone sideways, or tap the Menu icon
then tap Scientific calculator.To view the calculation history, tap the Menu icon
then tap Calculation history.