19 extras, Calculator, Countdown timer – Nokia 3100b User Manual
Page 82: Extras, Calculator countdown timer, Calculator basic calculations, Currency conversion, Edit the exchange rate
Nokia 3100 User Guide
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Copyright © 2003 Nokia
19 Extras
Extras include a calculator with currency exchange rate
converter, countdown timer, stopwatch, and a voice recorder.
• CALCULATOR
Basic calculations
The calculator in your phone adds, subtracts, multiplies, divides, calculates the
square and the square root, and converts currency values. Calculator has a limited
accuracy and rounding errors may occur, especially in long division.
1
Select Menu > Extras > Calculator and enter the first number in the
calculation.
Note: Press the Pound key to insert a decimal point and press the Star key
to cycle through the add (+), subtract (-), multiply (
*
), and divide (/)
characters. Pause briefly to select the displayed character. To perform a
square or square root calculation, select Options, then select either
Square or Square root.
2
Enter the second number in your calculation, then select Options > Equals.
Currency conversion
You can convert foreign currency to domestic or vice versa from the start screen.
1
At the start screen, enter a currency amount to convert, then select Options,
and select either To home or To foreign.
2
Enter the exchange rate, if you have not done so already, and select OK.
Edit the exchange rate
1
Select Menu > Extras > Calculator > Options > Exchange rate, then select
either Foreign units in home units or Home units in foreign units.
2
Enter the exchange rate and select OK.
• COUNTDOWN TIMER
You can set the alarm to ring after a period of lapsed time.
Note: The countdown timer only works when the phone is on. Once you
turn off your phone, the timer is no longer active.