Course

AoPS Wiki — Olympiad Resource Library

Run by Art of Problem Solving

OnlineOnline, Self-paced, flexibleOpenLow effort

About this opportunity

Comprehensive free wiki with theory articles, worked examples, and past problems for every olympiad topic: number theory, combinatorics, geometry, algebra, and inequalities. Includes curated problem databases for AMC, AIME, USAMO, and IMO. The single most complete free resource for competition mathematics., Anyone; especially students preparing for SMO, AMC

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