Casio FX-9750G PLUS User's Manual & Technical Reference page 376

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Cost, Selling Price, Margin Calculations
k k k k k Selling Price
Perform the following key operations from the input screen.
k k k k k Margin
Perform the following key operations from the input screen.
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Example Calculate the selling price for a cost of $1,200 and a margin of
45%.
bcaaw(Cst = 1,200)
c
efw(Mrg = 45)
2(SEL)
Example Calculate the margin for a selling price of $2,500 and a cost of
$1,250.
bcfaw(Cst = 1,250)
cfaaw(Sel = 2,500)
3(MRG)