Resources
PDF educational materials.
- Putnam and Beyond— Andreescu, AndricaAll-around
Problem-solving across algebra, analysis, geometry, and number theory.
- Problem-Solving Strategies— Arthur EngelAll-around
Encyclopedic treatment of olympiad techniques with worked examples.
- Number Theory Notes— Evan ChenNumber Theory
Concise lecture notes covering modular arithmetic through quadratic reciprocity.
- Euclidean Geometry in Mathematical Olympiads— Evan ChenGeometry
Modern synthetic geometry written for olympiad students.
- A Walk Through Combinatorics— Miklós BónaCombinatorics
Introductory combinatorics with olympiad-flavored exercises.