Interactive visualization about how to find the decimal expansion of a rational number.
This was my first Javascript project. It got a bit messy toward the end, but I decided to start a new project with what I had learned instead of spending my limited free time cleaning it up.
The drawing functionality is getting spun off into its own thing but not while I'm still in school.
Play with it here: http://picklenerd.com/math/decimal-expansion-interactive/