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Preview of Discount & Tax Calculator

Discount & Tax Calculator by cather

Calculate a manual purchase total from unit price, quantity, discount, coupon, and tax values entered in the popup.

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About this extension
Calculate a purchase total from manually entered unit price, quantity, percentage discount, fixed coupon, and tax values. A separate reverse calculation estimates the original unit price from a paid total.
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  • Input data to the clipboard

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  • The developer says this extension doesn't require data collection.
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Version
1.0.0
Size
18.28 KB
Last updated
12 days ago (Sep 14, 2026)
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