86 Copyright © 2004 NokiaCalculatorThe calculator in your phone adds, subtracts, multiplies, divides, calculates the square andthe square root, and converts currency values.1 Select Menu > Applications > Extras > Calculator.2 When 0 appears on the screen, key in the first number of the calculation, press # for adecimal point, or the corresponding symbol on the keyboard, if the keyboard is open.3 Select Options > Add, Subtract, Multiply, Divide, Square, Square root or Change sign.If the keyboard is open, you can also use the corresponding calculation symbols of thekeyboard, if available.Note: If you are using the calculator with the keyboard closed, press * once toadd, twice to subtract, three times to multiply, or four times to divide.4 Key in the second number.5 For the total, select Equals.6 To start a new calculation, press and hold Clear.Note: This calculator has a limited accuracy and is designed for simplecalculations.Currency conversion1 Select Menu > Applications > Extras > Calculator.2 To save the exchange rate, select Options > Exchange rate, and either of thedisplayed options.3 Key in the exchange rate, press # for a decimal point, and select OK.The exchange rate remains in the memory until you replace it with another one.4 To perform the currency conversion, key in the amount to be converted, and selectOptions > In domestic or In foreign.You can also perform the currency conversion in the standby mode. Key in the amount tobe converted, and select Options > In domestic or In foreign.Countdown timerSelect Menu > Applications > Extras > Countdown timer. Key in the time in hours andminutes, and select OK. If you wish, write a note that will be displayed when the timeexpires, and select OK to start the countdown timer.To change the countdown time, select Change time; to stop the timer, select Stop timer.