44■ CalculatorThe calculator in your phone provides basic arithmetic and trigonometric functions; calculatesthe square, the square root, and the inverse of a number; and converts currency values.Note: This calculator has limited accuracy and is designed for simple calculations.Select Menu > Organizer > Calculator. When 0 is displayed on the screen, enter the firstnumber in the calculation. Press # for a decimal point. Press * for additional functions. Scroll to,and select, the desired operation or function. Enter the second number. Repeat this sequence asmany times as it is necessary. To start a new calculation, first select and hold Clear.To perform a currency conversion, select Menu > Organizer > Calculator. To save theexchange rate, select Options > Exchange rate. Select either of the displayed options. Enterthe exchange rate, press # for a decimal point, and select OK. The exchange rate remains inthe memory until you replace it with another one. To perform the currency conversion, enterthe amount to be converted, and select Options > To home or To foreign.Note: When you change base currency, you must enter new exchange rates becauseall previously set exchange rates are cleared.■ Countdown timerTo start the timer, select Menu > Organizer > Timer > Normal timer, enter the alarm time,and write a note that is displayed when the time expires.To have an interval timer with up to 10 intervals, select Menu > Organizer > Timer >Interval timer. Enter a name for the timer and each interval. Then enter the time for theinterval. To start the timer, select Start timer > Start.■ StopwatchYou can measure time, take intermediate times, or take lap times using the stopwatch. Duringtiming, the other functions of the phone can be used. To set the stopwatch timing in thebackground, press the end key.Using the stopwatch, or allowing it to run in the background when using other features,increases the demand on battery power and reduces the battery life.Select Menu > Organizer > Stopwatch and from the following options:Split timing — to take intermediate times. To start timing, select Start. Select Split everytime that you want to take an intermediate time. To stop timing, select Stop.To save the measured time, select Save.To start timing again, select Options > Start. The new time is added to the previous time.To reset the time without saving it, select Reset.Lap timing — to take lap times