- Classic Books
- Sum of integers from 1 to n--Example of proof with pictures.
- The Klein bottle--A virtual image, with animation.
- Circumcircle of a Triangle--Drawn with GeoGebra. Try downloading GeoGebra and doing this yourself.
- Non-Euclid--Hyperbolic geometry sketchpad. Try constructing the circumcircle of a triangle.
- The Kiss Precise--A theorem of mathematics expressed in the form of a poem.
- Crucifixion Hypercubus--A hypercube (4-cube) in the art of Salvadore Dali.
- Kenneth Snelson--Artist who has done significant work with tensegrity.
- Platonic Solids--Virtual image.
- POV-Ray Hall of Fame--Images produced by ray-tracing software.
- Brass and Steel--Movie produced by ray-tracing software.
- Animusic--Animations of fictional musical instruments.
- Consecutive Number Puzzle---Reasoning about reasoning.
- Square Dance---Illustrating symmetries with movement.
- Four-Dimensional Tic-Tac-Toe---Visualizing the hypercube.
- The Pythagorean Theorem---Another proof with pictures.
- Extra-Terrestrial Communication---Exploiting the idea that mathematics is universal.
- Vi Hart videos
- Ford Circles
- Hexstix Puzzle