
Quadratic Residues
This handout is from an interactive session and class with Aditya Khurmi, author of Modern Olympiad Number Theory and a student at UMass...
Quadratic Residues
Maths Olympiad Resources
Combinatorics Handout
Polynomials Handout
Functional Equation Handout
Combinatorics by generating functions.
The Probabilistic Method Resources
Approach To Olympiad Geometry
AIME-Olympiad Geometry