Using The Calculator Mode - Sharp ZQ-2500 Operation Manual

The Organizer's built-in calculator can perform basic arithmetic
calculations with up to 12 digits.
To use the calculator function, simply press (cnLclcoNv). Before
performing any calculation press @ twice to clear the
display.
IMPORTANT: Once in the CALCULATION mode, you need
not press (2ndl every time you use the
CALCULATOR keys in white.
Y key automatically
Errors
When the integer part of a calculation of any integer in the
memory exceeds 12 digits, or other invalid operations are
attempted, an error will occur. ("E" will appear on the first line.)
Press @ to clear the error. Overflow errors can also be
cleared with @.
For example, the
becomes [+1.

Using the CALCULATOR mode

Example Operation
1 2 x 3 + 5 =
(-24) + 4 - 2 =
34 + 57 =
34 (+I 57m
45 + 57 =
45
(Subtraction and division are
perfoned in the same manner.)
68 m 25 m
40 m
200 x 10%
9 i 36%
200 + 10%
500 - 20%
500 m 20 I%]
Display
(answer)
The added becomes
102.
The multiplicand
1700.
becomes a constant. 2720.
220.
4096.
0.125
41.
-8.
91.
20.
25.
4.
19