Discount Calculator
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变量说明
P= original pricer= discount rate (%)S= sale priceD= amount saved
Discount and sale price
Amount saved
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Sale price
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Find rate from prices
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Reverse: find original price
Given sale price and rate.
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Stacked discounts
Two successive discounts are not additive.
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P= original price
r= discount rate (%)
S= sale price
D= amount saved
Deep Dive
Read the full guide on how to use this calculator effectively
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