20. Tools
20.1. Calculator
Enter numbers from the keyboard or use the touchscreen.
Use the [RIGHT], [LEFT], [UP], [DOWN] navigation buttons to
select the operation.
Press the [OK] key for the result. Press
the [*] key to enter the comma. Press
the [#] key to delete.
20.2. Calendar
To add an event, select a date. Select OPTIONS /
ADD EVENT. Enter or edit fields and select SAVE.