Sony Ericsson P990i Betriebsanweisung

You can add, subtract, multiply, divide and calculate 
square roots and percentages. It also has a memory 
function. 

Select 

. 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.

With Converter you can convert different values of the 
following categories; Distances, Volumes, Weights, 
Temperatures, Speeds, Areas and Currencies.

Tap once to retrieve a value from the memory 
and enter it into the screen.
Tap twice to clear the memory.

:

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.

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.

Tap once to reset the screen to 0.