Paul's Online Math Notes provides free, downloadable notes for algebra, calculus and differential equations.
3Blue1Brown
3Blue1Brown explains mathematics through visual lessons on linear algebra, calculus, neural networks, topology and other topics.
About 3Blue1Brown
3Blue1Brown is a mathematics education website that teaches with a distinct visual perspective. It covers linear algebra, calculus, neural networks, topology, and other mathematics topics, along with related areas in physics and computer science.
On the site, you can browse lessons by subject, including differential equations, analysis, geometry, fractals, probability, group theory, and number theory. There are also sections for puzzles, guest videos, talks, and videos from other channels. You can join the mailing list for updates and follow the channel on several social and video platforms.
The site also includes supporter and career information. Supporters can receive early access to new videos and provide feedback, along with a store discount and name credit. A talent section connects technically curious viewers with hiring organizations. It suits students and self-learners who want visual explanations of mathematical ideas.
Key features
- Visual lessons on linear algebra, calculus, and neural networks
- Browse lessons by topic including topology and probability
- Includes guest videos, talks, and puzzles
- Mailing list for updates on new lessons
- Supporter option with early access to videos
Best for: Students and self-learners who prefer visual explanations of mathematics.
Good for
- Wide range of mathematics topics covered
- Lessons organized by subject for browsing
- Visual approach to explaining concepts
3Blue1Brown at a glance
- Website
- 3blue1brown.com
- Category
- Education & Learning › Mathematics Learning
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
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3Blue1Brown FAQ
What topics does 3Blue1Brown cover?
It covers linear algebra, calculus, neural networks, topology, and more, including probability, geometry, number theory, physics, and computer science.
How can I follow new lessons from 3Blue1Brown?
You can join the channel mailing list for updates and follow it on social and video platforms listed on the site.
Does 3Blue1Brown offer early access to videos?
Yes. Supporters receive early access to new videos and can provide feedback before final release.
What is 3b1b Talent?
It is described as a virtual career fair that partners with organizations interested in hiring technically curious viewers.
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