# Tags

- info
- books
- social
- talks
- fun-topics
- Fun Topics in Calculus
- Fun Topics in Calculus II
- Point Set Topology
- Fun Topics in Elementary Geometry
- Use similarity to understand sums with infinitely many terms
- Fun Topics in Elementary Arithmetic
- A formula for Pythagorean triples
- Fun Topics in Elementary Calculus
- Exercises in homological algebra
- Undergraduate projects mentored.
- Constructing Spectral Sequences
- The associahedra
- Stellations of near-miss solids

- animation
- sage
- tex
- mathart
- papercraft