Course Archive

These older courses predate our current interactive standard and are no longer featured in the main catalog, but every lesson remains fully accessible — and if you have progress in one, it's all still here.

Our main catalog has the courses built to our newest standard.

• Abstract Algebra
• Algebraic Topology
• AP Calculus
• Business Calculus
• Combinatorics
• Cryptography
• Differential Geometry
• Discrete Math
• Fourier Analysis
• Game Theory
• Graph Theory
• GRE Math Subject Test
• Linear Algebra for Machine Learning
• Math for Computer Science
• Mathematical Logic
• Mathematical Modeling
• Number Theory
• Numerical Analysis
• Optimization
• PDEs
• Proof-Based Geometry
• Set Theory
• Statistics
• Topology