Mathematics in pictures
See geometry, numbers, and algebra as relationships you can reason about.
Explore mathematics, algorithms, and computer science through clear visual explanations. See what changes at each step, and understand why the result makes sense.
Slide the top of a square sideways. Its base and height stay the same, so its area does too. This transformation is a shear, with a determinant of 1.
Horizontal shear: (x, y) becomes (x + s·y, y). The starting square has side length 1.
Explore determinants and area · MIT
Follow the full collection, one explanation at a time.
Newest first



















Public videos from YouTube, newest first.
See geometry, numbers, and algebra as relationships you can reason about.
Follow a problem as each well-chosen step changes what remains to be solved.
Discover how graphs, transformations, and connections organize an idea.
Ask what can be computed, what it costs, and where the difficult questions begin.
Take your curiosity into the physical world. Explore physics and the universe on Continuum.