Nokia 6590 - Manual (Page 149)

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• Press to cycle through and select the add (+),
subtract (-), multiply ( * ), and divide (/) characters.
3 Enter the second number in your calculation.
4 Press Options. The following list of options appear in the display.
Use the scroll keys to highlight an option. Press Select to confirm.
5 Press Select to complete the calculation as selected in the calculator
options. The sum of your calculation appears in the display.
Note: The calculator has limited accuracy and rounding errors my
occur, especially in long division.
Use currency conversion
EDIT THE EXCHANGE RATE
1 At the Start screen, press Menu 7-1 (Calculator). After a brief pause,
the calculator screen appears in the display.
2 Press Options.
Exchange rate appears.
Calculator options
Equals Displays the sum of your calculation
Add Adds numbers in the calculation
Subtract Subtracts numbers in the calculation
Multiply Multiplies numbers in the calculation
Divide Divides numbers in the calculation
Square Squares numbers in the calculation
Square root Square root of the numbers in the calculation
Change sign Return to the previous display to select another sign for
the calculation (plus sign, minus sign, etc.)