Extras (Menu 11)Note: Your phone must be switched on to use thefunctions in Extras menu. Do not switch the phone on when wirelessphone use is prohibited or when it may cause interference or danger.CalculatorThe calculator in your phone adds, subtracts, multiplies, divides, counts thesquare and the square root and converts currency values.This calculator has a limited accuracy and rounding errors may occur,especially in long divisions.1 Press Menu, and select Extras and Calculator.2 When ’0’ is displayed on the screen, key in the first number in thecalculation.