Business percentages, Percent key, Finding a percent – HP 10B User Manual
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2
Business Percentages
You can
U.SC
(he HP-lOB to calculate simple percent, percent change,
cost, price, margin, and markup.
Percent Key
oooaoo
lOOOQO
CZJOOQO
oooao
ooocao
ooooo
OODOC
The key has two functions: finding a percent and adding
or subtracting a percent.
Finding a Percent
The @ key divides a number by 100 unless it is preceded by an addition
or subtraction sign.
Example.
Find 25% of 200.
Keys:
Display:
Description:
2000
200.00
Enters 200.
25®
0.25
Converts 25% to a
decimal.
0
50.00
Multiplies 200 by 25%.
2: ButiiiMt Percentages 31