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P990i Calculator and Converter 91
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Calculator and Converter
Calculator
You can add, subtract, multiply, divide and calculate
square roots and percentages. It also has a memory
function.
Select
Tools > Calculator. 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.
You can copy and paste values to and from other
applications.
Values stored in the memory are retained while using
other applications.
Calculator
:
=
MR
M+ M-
+
+
%+/-
.
1
2
3
6
5
4
9
8
7
C
0
0
Key Functionality
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.