Ericsson R310s - Manual (Page 103)

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Calculator
The phone has a built-in calculator, which can add, sub-
tract, divide and multiply.
•
Press # to get + , - , x , / .
• Press C to erase a figure to the left of the cursor.
• Press * to enter a decimal point.
To use the calculator
In this example we are going to divide 134 by 32.
1. Scroll to
Extras , Y E S , Calculator , Y E S .
2. Enter 134.
3. Press # repeatedly until the division sign (/ ) appears.
4. Enter 32.
5. Press
Y E S to get the answer.
6. To clear the display, press C .
Stopwatch
The phone has a built-in stopwatch for you to time a certain
activity.
To run the stopwatch
1. Scroll to Extras , Y E S , Stopwatch , Y E S .
2. Press Y E S to start the stopwatch. Press Y E S again to
stop it.
To reset the stopwatch
• Press C when the stopwatch is not running.
Tip! By pressing # when the stopwatch is running, you
can store up to 9 lap times. Press u
u u u or d d d d to check
your stored lap times.
Note! If you receive an incoming call or voice or text mes-
sage while the stopwatch is running, the stopwatch is
turned off. If you exit the stop watch menu the stop watch
is turned off.