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Nokia 6820 User Guide 71 Copyright © Nokia 2004
Applications
2 When “0” appears on the screen, key in the first number of the calculation, press the
# key for a decimal 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 the
keyboard, if available.
Note: If you are using the calculator with the keyboard closed, press the * key
once to add, 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
simple calculations.
Currency conversion
1 Select Menu > Applications > Extras > Calculator.
2 To save the exchange rate, select Options > Exchange rate.
3 Select either of the displayed options.
4 Key in the exchange rate, press the # key for a decimal point, and select OK.
The exchange rate remains in the memory until you replace it with another one.
5 To perform the currency conversion, key in the amount to be converted, select
Options > To home or To foreign.
You can also perform the currency conversion in the standby mode. Key in the amount to
be converted, select Options > To home or To foreign.
Note: When you change base currency, you must key in the new rates because all
previously set exchange rates are set to zero.
Countdown timer
Select Menu > Applications > Extras > Countdown timer. Key in the time in hours and
minutes and select OK. If you wish, write a note that will be displayed when the time
expires, and select OK to start the countdown timer.
To change the countdown time, select Change time, or to stop the timer, select Stop timer.
If the alarm time is reached when the phone is in the standby mode, the phone sounds a
tone and shows the note, if available or Countdown time up. Stop the alarm by pressing
any key. If no key is pressed, the alarm stops automatically within 30 seconds. To stop the
alarm and to delete the note, select OK.
6820.CENv1_9231553.book Page 71 Tuesday, November 23, 2004 3:50 PM