# Work with numbers stored in Calculator memory

1. Tap > Programs > Calculator.
2. Do any of the following:
   - To store a number, tap the box to the left of the entry box.

     An M will appear in the box.

   - To add the displayed number to the number already stored in memory, tap M+.
   - To display the number stored in memory, tap MR.
   - To clear the memory, tap MC.

Note

When you store a number in memory, it replaces the one that is currently stored.

#### See also

Use Calculator

# Use Calculator

You can use Calculator to perform basic arithmetic operations such as addition, subtraction, multiplication, and division.

1. Tap > Programs > Calculator.
2. Use the Calculator buttons or Input Panel to enter numbers and perform calculations.

   To | Tap
   Clear the current calculation or the displayed number | C
   Clear the last digit entered in a multidigit entry | The Back arrow to the right of the entry box
   Clear memory | MC
   Calculate the reciprocal of a number | 1/X
   Perform operations with percentages | %
   Calculate the square root of a number | The square root symbol (√)
   Change a number from positive to negative and back | +/-

#### See also

Work with numbers stored in Calculator memory

# Help on the Web

Additional Help is available on the Web.

To browse the on-line Help:

1. Open Internet Explorer Mobile.
2. Tap Favorites.
3. Tap Explore Windows Mobile.

To search Help on this device, tap here.