Menu functions
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This calculator has limited accuracy 
and rounding errors may occur, 
especially in long divisions.
Press  Menu in standby mode, 
and select Extras and Calculator.
Making a calculation
• The keys   to   insert a 
digit.   inserts a decimal 
point. Press   to delete the 
last digit. To change the sign, 
press Options and select Change 
sign.
• 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 clear the 
display for a new calculation.
Making a currency conversion
To save the exchange rate: Press 
 Options, select Exchange 
rate, select Foreign unit expressed 
in domestic units or Domestic unit 
expressed in foreign units, key in 
the value (press   for a decimal 
point), and press   OK.
To make the conversion: key in the 
currency amount to be converted, 
press  Options, and select In 
domestic or In foreign.
Stopwatch
The stopwatch can be used for time 
measurement, for example in 
different sports. Press   Menu, 
and select Extras and Stopwatch.
Press  Start to start timing. To 
take the time, press   Stop. 
When the timing is stopped, you can 
press  Options for Start, Reset 
or Exit. If you select Start, timing 
continues from the previous stop 
time. Reset stops the current timing 
and sets the time to zero.
To set the timing to continue in the 
background, press and hold   
twice. While the time is running, 
 is flashing in standby mode. 
Using the stopwatch consumes the 
battery and the phone's operating 
time will be reduced. Be careful not 
to let it run in the background when 
performing other operations with 
your phone.
Countdown timer
You can set the alarm to sound after 
a period of lapsed time.
Press  Menu, select Extras and 
Countdown timer. Key in the alarm 
time and press   OK. You can 
also key in a note for the alarm, 
change the time and stop the timer.