Linear algebra underpins STEAM (science, technology, engineering, art, mathematics). At the same time, its ramifications…
Category: Free Online Math Materials
The Hypercube
The Hypercube allows us to explore shadows of a \(4\)-cube under rotations about coordinate planes…
Möbius Transformations
Möbius Transformations helps visualize angle-preserving self-maps of the unit sphere in \(3\)-space. In Spring 2020,…
Torus Sketch
Torus Sketch is a simple, descriptively-named interactive program for drawing on a square torus. “Simple”…
On Collaboration Across Space and Time
Digitization of public domain ebooks at Distributed Proofreaders (DP) for Project Gutenberg (PG) involves collaboration…