47Copyright © 2005 Nokia. All rights reserved.■ Extras (Menu 10)Note: Your phone must be switched on to use this function.Do not switch on the phone when wireless phone use is prohibited or when it maycause interference or danger.CalculatorThe phone is provided with a calculator that can also be used for rough currencyconversions.This calculator has limited accuracy and rounding errors may occur, especially in longdivisions.In standby mode, select Menu > Extras > Calculator.Make a calculation• The keys 0 to 9 insert a digit. # inserts a decimal point. Press the clear/exit keyto delete the last digit. To change the sign, select Options > Change sign.• Press * once for "+", twice for "-", three times for "*" and four times for "/".• To get the result, select Options > Equals. Press and hold to clear the displayfor a new calculation.Make a currency conversionTo save the exchange rate, select Options > Exchange rate > Foreign unitexpressed in domestic units or Domestic unit expressed in foreign units, key in thevalue (press # for a decimal point), and select OK.