55Copyright © 2004 Nokia. All rights reserved.Note: This calculator has limited accuracy and rounding errors may occur,especially in long divisions.Making a calculation• Use to to insert a digit, to insert a decimal point. Pressto delete the last digit. To change the sign, press Options and select Changesign.• Press and to select the operator you want from the operator bar onthe right of the screen.Or, press once for "+", twice for "-", three times for "*" and four times for"/".• To get the result, press Options and select Equals. Press and hold to clearthe display for a new calculation.Making a currency conversion1. Set the exchange rate: Press Options, select Exchange rate, choose Foreignunit expressed in domestic units or Domestic unit expressed in foreign units, keyin the value (press for a decimal point), and press OK.2. To make the conversion: Key in the currency amount to be converted, pressOptions, and select In domestic or In foreign.StopwatchYou can measure and record times, for example, in different sports. To access thismenu, press Menu in standby mode, and select Extras and Stopwatch.Press Start to run the stopwatch, and then press Stop to stop the counting.