Tap Start.
On the Productivity screen, tap Calculator.
Calculator
Use the calculator to perform basic mathematical calculations. To perform a calculation,
1
2
3 Enter the first number using the calculator buttons on the screen.
•To clear the displayed numbers, tap 
.
•To clear the last digit entered in a 
.
4
5
6
Tap the appropriate math function.
Enter the second number.
To view the result, tap 
.
96