Extras; Calculator; Countdown Timer - Nokia 3100b User Manual

Nokia cell phone user manual

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19 Extras

Extras include a calculator with currency exchange rate

converter, countdown timer, stopwatch, and a voice recorder.

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.

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 (

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.

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.

At the start screen, enter a currency amount to convert, then select Options,

and select either To home or To foreign.

Enter the exchange rate, if you have not done so already, and select OK.

Edit the exchange rate

Select Menu > Extras > Calculator > Options > Exchange rate, then select

either Foreign units in home units or Home units in foreign units.

Enter the exchange rate and select OK.

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turn off your phone, the timer is no longer active.

Nokia 3100 User Guide

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