Π day
- Approximating Π
- 10,000 digits of Π in SVG
- Cheer for the day — cosine, secant, tangent, sine, 3.14159
Previous work
GIMP
- Creative computing with Semmy — GIMP Basics
- GIMP “beginner” tutorials
other stuff
Stencils
- Making Stencils with GIMP
- Posterized - the Stencil inspired Tutorial
- Stencil Tutorial : Three Layers (Beginner Stencils in GIMP)
Color theory
- The traditional CSCI 107 video
- More references