Calculator - Samsung SCH-R640 User Manual

Start the timer by tapping Start. The following options are
3.
available:
• To pause or end the count, tap Stop.
• To resume the count, tap Restart.
• To erase the current count, tap Reset.

Calculator

You can perform calculations, including addition, subtraction,
multiplication, and division using your phone.
From the Tools menu, tap Calculator. The Calculator keypad
1.
screen appears in the display.
Enter the first number in your calculation using the touch
2.
screen keypad (numbers can be up to 15 digits long, with up to
10 of thos digits after a decimal point).
• To toggle the sign of a number between positive and negative, tap +/-.
• To "nest" calculations within a calculation, tap ( ) before and after parts
of the calculation you want to perform first.
Set the type of calculation you want to perform (division,
3.
multiplication, subtraction, or addition) by tapping the
appropriate calculation operator (/, X, -, +).
Enter the next number in your calculation using the touch
4.
screen keypad.
To perform the calculation and view the result, tap =.
5.
To perform another calculation, clear the calculation field by
6.
tapping C.
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