Math
- Indras Pearl III : Searching for a place to stop
- Indras Pearl II: Generating the Generators
- Indra's Pearl, or Quasifuschian Two Generator Groups explained by someone completely out of his depths
- Arnold and its Tongues
- The Devil's Staircase
- Chaos in Logic
- Bifurcation Diagrams
- Gaussians Primes
- Ulam Spiral