83To make a note if no note is added, select Add note. Write the note, andselect Save.■ CalculatorThe calculator in your phone provides basic arithmetic and trigonometricfunctions, calculates the square and the square root, the inverse of a number,and converts currency values.Select Menu > Organizer > Calculator. When 0 is displayed on the screen,enter the first number in the calculation. Press # for a decimal point. Scrollto the desired operation or function or select it from the Options. Enter thesecond number. Repeat this sequence as many times as it is necessary. Tostart a new calculation, first select and hold Clear.To perform a currency conversion, select Menu > Organizer > Calculator. Tosave the exchange rate, select Options > Exchange rate. Select either of thedisplayed options. Enter the exchange rate, press # for a decimal point, andselect OK. The exchange rate remains in the memory until you replace itwith another one. To perform the currency conversion, enter the amount tobe converted, and select Options > To home or To foreign.Note: When you change base currency, you must enter new exchange ratesbecause all previously set exchange rates are cleared.■ Countdown timerTo start the countdown timer, select Menu > Organizer > Countd. timer >Normal timer, enter the alarm time, and write a note text that is displayedwhen the time expires. To start the countdown timer, select Start. To changethe countdown time, select Change time. To stop the timer, select Stop timer.