From the Home screen, tap Apps
(in the Quick
Access Bar) > Calculator 
.Tap the number keys to enter numbers.
For simple calculations, tap the function you want to perform (
, 
, 
or 
) followed by 
.
NOTE
For more complex calculations, you can switch to the Scientific calculator. Tap the Menu key
, (in the Touch
Keys Bar), then tap Scientific Calculator.To view the calculation history, tap the Menu key
(in
the Touch Keys Bar), then tap Calculation history.