Join over 10 million people learning interactively. Get smarter in 15 minutes a day with thousands of interactive, bite-sized lessons in math, science, data analysis, programming, computer science, AI, and beyond.

Whether you’re a complete beginner or ready to dive into calculus and beyond, Brilliant makes it easy to level up fast with fun, bite-size lessons. Visual, interactive lessons make concepts feel intuitive — so even complex ideas just click. Our real-time feedback and simple explanations make learning efficient.

Build math skills in minutes a day with bite-sized, interactive problem solving. Brilliant helps you master core concepts in algebra, geometry, logic, probability, and more—giving you a solid foundation to build on. On Brilliant, you won’t just memorize principles. You’ll use your skills to tackle real-world problems—so you learn by doing.

http://www.brilliant.org 专门训练数学物理etc. 的网站，刚进去是要注册的，有很多国外的IMO和IPhO前辈们都在那里... 但是，一定要记住 刚开始的时候，那个网站会自动给你出很水很水的题... 比如说“比较2和9的大小”... 不要放弃...

Mathigon提出了一个口号：成为未来的教科书。它也是一个像Brilliant那样的特殊应用。由Philipp Lenger领导的特别小组编写的新课程全部都具有互动性设计，特别重视学生在学习某个课题时的积极参与。分形、斐波那契数、对称性、帕斯卡三角形等等主题都在其中。

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Build math skills with intro to advanced courses covering algebra, geometry, calculus, probability and statistics, trigonometry, linear algebra, and more. Explore cutting-edge topics like AI, neural networks, algorithms, python, quantum mechanics, and beyond.

Brilliant regularly contributes math and science puzzles to publications such as The New York Times, The Guardian, and FiveThirtyEight. [8] [9] [10] [1] [11] Brilliant has also been cited by The Atlantic as a catalyst of the "math revolution" - a surge …

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Brilliant can be used to help develop your intuition on why something works. If you like doing math puzzles for fun then Brilliant is worth it. Brilliant functions well as a supplementary resource. The courses are really high quality and the practice section is also really good.