math 9
- Patterns in Patterns: Duality, Universal Properties, and More
- "Hey, I've Seen This One!" A Motivated Introduction to Category Theory
- Cantor's Diagonal Argument
- Gödel's Incompleteness Theorems, As Simply As Possible
- What is the Fourier Transform?
- Baby's Second Linear Regression
- Baby's First Linear Regression
- The A-B-C's of the abc Conjecture
- A Roadmap to Self-Study Math