Nokia 3100 - Manual (Page 93)

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■ Extras (Menu 11)
Your phone provides some practical functions with this menu.
Note: Your phone must be switched on to use the functions in Extras menu. Do not
switch the phone on when wireless phone use is prohibited or when it may cause interference or danger.
Calculator
The calculator in your phone adds, subtracts, multiplies, divides, counts the square and the square root
and converts currency values.
This calculator has a limited accuracy and rounding errors may occur, especially in long divisions.
1. Press Menu , and select Extras and Calculator .
2. When ’0’ is displayed on the screen, key in the first number in the calculation, press for a
decimal point.
3. Press Options and select Add , Subtract , Multiply , Divide , Square , Square root or Change sign .
Tip: Alternatively, press once to add, twice to subtract, three times to multiply or four
times to divide.
4. Key in the second number.
5. For a total, press Options and select Equals . Repeat steps 3 to 5 as many times as is necessary.
6. To start a new calculation, first press and hold Clear .
Making a currency conversion
1. Press Menu , and select Extras and Calculator .
2. To save the exchange rate, press Options and select Exchange rate . Select either of the displayed
options. Key in the exchange rate, press for a decimal point, and press OK . The exchange rate
remains in the memory until you replace it with another one.