Calculated Industries 8020 - Manual (Page 23)

P
OCKET
R
EFERENCE
G
UIDE
— 22
Percent Calculations
The percent key % can be used to find a
percentage of a number or for working
add-on, discount or division percentage
calculations.
3 5 5 x 1 5 % 53.25
2 5 0 + 6 • 5 % 266.25
2 5 – 5 % 23.75
1 0 0 ÷ 5 0 % 200.
MEMORY OPERATION
The Ultra Measure Master has ten storage
registers (0 through 9). Memory 0 is a
cumulative memory which operates similar
to a standard
µ key, while the other
memories are used for storage only. A
value can be stored in any format, but
attempts to add mixed conventions will
result in an error (the value in memory will
not be revised). Memory 0 will keep its
value until it is revised (as shown below),
or the calculator is shut off. Memories 1
through 9 will keep their values even when
the calculator is shut off. Keystrokes for
operation are as follows:
(Cont’d)