Pricing Calculations for HP-12C

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The HP-12C Solutions Handbook provided the Pricing Calculations that provided

the keystroke sequences readily make on various problems.

I remaked the sequences so that it is easier to read the instructions.

Key Sequences based on various type of problem.

(Cost, Price) → Markup ►Cost [ENTER] Price [△%]
(Cost, Price) → Margin ►Price [ENTER] Cost [△%] [CHS]
(Cost, Markup) → Price ►Cost [ENTER] Markup [%] [+]
(Cost, Margin) → Price ►Cost [ENTER] 1 [ENTER] Margin [%] [-] [÷]
(Price, Markup) → Cost ►Price [ENTER] 1 [ENTER] Markup [%] [+] [÷]
(Price, Margin) → Cost ►Price [ENTER] Margin [%] [-]

Example: FIX 2
Price is 100 and Margin is 45%
What is the Cost and Markup?

100 [ENTER] 45 [%] [-] display 55.00 // Answer Cost
55 [ENTER] 100 [△%] display 81.82 // Answer Markup

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