Education Tools
Learn
A short list of free, well-made places to learn, sorted by subject. There's nothing to sign up for here: every link goes straight to the source.
Maths and science
- Khan Academy: lessons and practice from early maths to calculus, physics and chemistry.
- PhET simulations: interactive physics, chemistry and maths models from the University of Colorado Boulder.
- Desmos: a graphing calculator that runs in the browser.
Courses and textbooks
- MIT OpenCourseWare: lecture notes, problem sets and videos from MIT's own courses.
- OpenStax: free, peer-reviewed textbooks for school and university subjects.