HP 12C - Page 95

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Example 2: If an item sells for $21.00 and has a markup of 50%, what is
its cost? What is the margin?
The following HP 12C program may be helpful for repetitive calculations of
selling price and costs as well as conversions between markup and
margin.
Keystrokes Display
21
21.00 Selling price.
1 50
50.00 Markup (%).
14.00 Cost.
50
50.00
1
33.33 Margin (%).
KEYSTROKES DISPLAY
CLEAR
00-
01- 36
04
02-43, 33 04
03- 16
1 04- 1
05- 34
06- 25
07- 40
08- 10
09- 31
10- 43 36
11- 20
12- 43 36
13- 20
14-43, 33 00
REGISTERS
n: Unused i: Unused
PV: Unused PMT: Unused