Tools 862. You have the following options:• To enable Daylight Saving Time for the US time zones, press DSTOn.• To set the displayed time zone as the default time zone for thesecond World Time clock, press OK.• To set the displayed time zone as the default time zone for yourphone, press Options, then select Set as home zone.• To return to the Tools menu without changing the default timezone, press .CalculatorYou can perform calculations, including addition, subtraction,multiplication and division using your phone.Note: You must use the phone keypad to use the Calculator.1. From the Tools menu, select Calculator. The Calculatorappears in the display.2. Enter the first number inyour calculation.(Numbers can be up to15 digits long, with upto 5 digits after adecimal point.)• To enter a decimal point,press .• To change the sign for a number to a negative, press .• To add parentheses [( )] to your calculation or to enter a Powerexponent (^), such as, 3^2, which is the equivalent of 32, pressOperator.• To clear current entries, press Clear.3. Use the Navigation key (as shown in the Calculatorscreen) to set the type of calculation that you wish toperform. Your choices are as follows.• [ + ] Addition• [ x ] Multiplication• [ - ] Subtraction• [ ÷ ] Division4. Enter the second number into your equation.5. Press to perform the calculation and view the result.Stop WatchYou can use this function totime events.1. From the Tools menu,select Stop Watch. TheStop Watch screenappears in the display.
