Business Percentages; Percent Key; Finding A Percent - HP 10BII Owner's Manual

Business Percentages
You can use the HP 10BII to calculate simple percent, percent change,
cost, price, margin, and markup.
Percent Key
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:
@OO8 200.00 Enters 200.
@®@® 0.25 Converts 25% to a decimal.
© 50.00 Multiplies 200 by 25%.
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