Select > Applications > Office > Calculator .
This calculator has limited accuracy and is designed for simple calculations.
To make a calculation, enter the first number of the calculation. Select a function such as add or subtract from the function map. Enter the second number of the calculation, and select =. The calculator performs operations in the order they are entered. The result of the calculation remains in the editor field and can be used as the first number of a new calculation.
The device saves the result of the last calculation in its memory. Exiting the Calculator application or switching off the device does not clear the memory. To recall the last saved result the next time you open the Calculator application, select Options > Last result .
To save the numbers or results of a calculation, select Options > Memory > Save .
To retrieve the results of a calculation from the memory and use them in a calculation, select Options > Memory > Recall .