Coupon Math is a Firefox browser extension that calculates final prices after applying percentage-based or fixed-value coupons. It is designed for shoppers who want to quickly compare discounted prices while browsing.
Coupon Math sits in PulseGate's Deals, coupons & price comparison category. It focuses on calculating the final price of an item after applying percentage or fixed-value coupons. Coupon Math is a consumer product aimed at online shoppers. Coupon Math costs nothing to use. It ships for the web and embeddable surfaces.
Gary J. Balderas builds and maintains Coupon Math, and it first shipped in 2026. Key capabilities include percentage discounts, fixed discounts, and final price calculation. The interface is available in 32 languages, including Czech, German, and Greek.
Summary written by a language model from the project’s public pages.
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