General calculations.

To perform a calculation in Basic mode:

1. Enter your calculation using the number and operator buttons (+, -, * and � on screen or the keyboard. There is operator precedence in the Basic Mode: (10+5)*3=45 but 10+5*3=25 .
2. Tap = or press Enter to get the result.

• Use +/- to change the sign of a number.
• To clear the calculation line without ending the current calculation, press C.
• To clear the calculation line and end the current calculation, press AC or press ESC.