SchoolYourself offers interactive online math videos, lessons, and tutoring, with blog and account links.
MathPortal vs Cut The Knot
How do MathPortal and Cut The Knot compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | MathPortal | Cut The Knot |
|---|---|---|
| What it is | Math Portal provides step-by-step calculators and solvers for equations, expressions, matrices and complex numbers. | Cut the Knot offers interactive mathematics puzzles and educational material. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | — | — |
| Alternatives |
Other options to consider
Sites similar to both MathPortal and Cut The Knot.
LibreTexts Mathematics provides curated textbook materials that readers can use directly or adapt into customized remixes.
Wolfram MathWorld contains more than 13,000 illustrated mathematics entries with interactive examples.
Paul's Online Math Notes provides free, downloadable notes for algebra, calculus and differential equations.
3Blue1Brown explains mathematics through visual lessons on linear algebra, calculus, neural networks, topology and other topics.
Coolmath offers free online math lessons, games and activities, including algebra and precalculus topics.






