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■ Calculator
The calculator in your phone adds, subtracts, multiplies, divides, calculates the 
square and the square root and converts currency values.
Note: This calculator has limited accuracy and is designed for simple calculations.
Select Menu > Applications > Extras > Calculator. When 0 is displayed on the 
screen, enter the first number in the calculation. Press the # key for a decimal 
point. Select Options >Add, Subtract, Multiply, Divide, Square, Square root, or 
Change sign. Enter the second number. For a total, select Equals. Repeat this 
sequence as many times as it is necessary. To start a new calculation, first select 
and hold Clear.
To perform a currency conversion, select Menu > Applications > Extras > 
Calculator. To save the exchange rate, select Options > Exchange rate. Select 
either of the displayed options. Enter 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. To perform the currency conversion, enter the amount 
to be converted, and select Options > In domestic or In foreign.
Note: When you change base currency, you must enter the new rates because all 
previously set exchange rates are set to zero.