Sony Ericsson P910i - Manual (Page 118)

118 Calculator
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Calculator
The Calculator is a standard 12-digit calculator. You can add,
subtract, multiply, divide, calculate square roots and
percentages. It also has a memory function.
To use the calculator
1. Select > .
2. Enter the calculations by tapping the digits.
All calculations, except percentage calculations, are performed
in the order they are entered, for example: 5+5x5=50, not 30.
Percentage calculations are performed backwards. To calculate,
for example, 10% of 50, enter 50x10%. The result is displayed
when you tap the %-key.
Key functions
You can copy and paste values to and from other applications by
selecting
Calculator > Copy or Paste .
Values stored in the memory are retained while using other
applications.
mr Tap once to retrieve a value from the memory and enter it
into the screen.
Tap twice to clear the memory.
m+ Tap once to store an entered value in the memory.
If you have already entered a value in the memory, tap once
to add the value on the screen to the value in the memory.
m- Tap once to subtract the entered value from the value in the
memory. The memory is adjusted but not displayed.
Tap once to delete the last digit you entered.
C Tap once to reset the screen to 0.