Percentage Problems; Calculating Percents; Net Amount And Discounes - HP -01 Owner's Manual

Using the Calculator 50
Remember that the second operand is the automatic constant. The first numberis the quantity
you wish to convert.
PERCENTAGE PROBLEMS. The @ key is used to perform percentage calculations. With
your HP-01, you don't have to convert percents to their decimal equivalents; 4% need not be
changed to .04.
Calculating Percents. To find the percent of a number, use the following keystrokes:
(base number) € (percent number) @ ©
To Solve Press Display
14% of 675 008000006 . 94.5
30% of ~114 0000 _.00000 4.2
Net Amount and Discounts. Often you must add a sales tax amount to a purchase—or
subtract a discount amount—to find the total cost of the item. Calculating this net amount is