A p p l i c a t i o n sNokia 6822 User Guide 67 Copyright © 2005 Nokia■ CalculatorThe calculator in your phone adds, subtracts, multiplies, divides, calculates thesquare and the square root, and converts currency values.1. Select Menu > Applications > Extras > Calculator.2. When 0 is displayed on the screen, enter the first number in the calculation.Press # for a decimal point.3. Select Options > Add, Subtract, Multiply, Divide, Square, Square root, orChange sign.4. Enter the second number.5. To get the answer, select Equals. Or to start a new calculation, press andhold Clear.This calculator has a limited accuracy and rounding errors may occur, especiallyin long divisions.Performing a currency conversion1. Select Menu > Applications > Extras > Calculator.2. To save the exchange rate, select Options > Exchange rate:.3. Select either of the displayed options. Enter the exchange rate, press # for adecimal point, and select OK.The exchange rate remains in the memory until you replace it with another one.4. To perform the currency conversion, enter the amount to be converted, andselect Options > To home or To foreign.■ Countdown timerSelect Menu > Applications > Extras > Countdown timer. Enter the alarm time inhours, minutes, and seconds, and select OK. You can write your own text to bedisplayed when the time expires, and select Start to start the countdown timer.To change the countdown time, select Change time; or to stop the timer, selectStop timer.If the alarm time is reached when the phone is in the standby mode, the phonesounds a tone and flashes the note text if it is set; otherwise, it flashes the textCountdown completed.To stop the alarm, press any key. If no key is pressed, the alarm automaticallystops within 30 seconds. To stop the alarm and delete the note text, select Exit.