Opening the Calculator App

Open the Calculator app by tapping the Calculator launcher icon:

Using the Calculator App

The Calculator app will open with the Calculator User Interface:

  • Simply starting entering the digits you wish to calculate
  • The top row in the calculation window shows you the answer
  • The bottom row in the calculation window shows you the formula you have entered to arrive at the answer in the top row.

  • To clear the calculation window select C
  • To remove the last entered digit use the back arrow
  • To close the calculator select the red X in the top right corner


  • Calculator will float as an overlay above all the other apps and inputs.

  • Calculator will float only if it has the permission to overlay other apps.