From the Home screen, tap .


Enter numbers and arithmetic operators on the Basic panel.
Drag the Basic panel to the left to open the Advanced panel.
Tap and hold the Calculator’s display to open a Context menu where you can copy what you’ve entered and access other tools.
Tap the Delete Key
to delete the last number or
operator you entered. Tap and hold the Delete Key
to delete all of the
entered information.
Tap the Menu Key
to open an Options menu to
clear your calculation(s) history or change panels between Advanced
and Basic.
Tap
to view your
calculator history. You can tap an entry to calculate it again or
edit it.