Brilliant
Brilliant.org is an online STEM learning platform with various foundational and high school maths, logic, foundational science, and computer science courses. The platform also offers interactive problem-solving classes. You can start with the premium account for $5,99 a month (paid annually).
Total courses: 68
![Brilliant](/img/platforms/brilliant.png)
![Logic](/img/courses/a775d7ed5d4ccde22357314d4135aac8.png)
![Joy of Problem Solving](/img/courses/31800c349dbbcdd64506c9e49a26c187.png)
![Logic II](/img/courses/ca23c991edc9c7fb4b3d5c47cc7d3391.png)
![Knowledge and Uncertainty](/img/courses/4d3379c157fb57c39f7c080314873191.png)
![Pre-Algebra](/img/courses/5f3d92a95059161674b7d2e7d964108d.png)
![Algebra Fundamentals](/img/courses/f829d55d00cb634e1ed11a580bebaa99.png)
![Algebra I](/img/courses/9db8d1e86f3cf6330e7a0f7a7bf5c0de.png)
![Algebra II](/img/courses/01ce217a2ae1bb802d3c763f6bcef2d4.png)
![Complex Numbers](/img/courses/c03cebc964d4b8a6060497ffeee7630f.png)
![Everyday Math](/img/courses/c5a1ca0b229cd2b03ead613ab4d8b62d.png)
![Mathematical Fundamentals](/img/courses/10aacacc0462cdd902c8e30efba35d57.png)
![Number Theory](/img/courses/7f8f3afe6523b815e02720262dbc70fc.png)
![Number Bases](/img/courses/56eed0107a1183c6b438da6f605d67d6.png)
![Infinity](/img/courses/73090bfc5e52a0a09d71364ed289801c.png)
![Math History](/img/courses/ec83c9991a59f026a801b4733760d011.png)
![Geometry Fundamentals](/img/courses/15cfd263d0d2096bfb134d910eb2a801.png)
![Beautiful Geometry](/img/courses/c8613c108f4cb199c116b4e0f0c548a8.png)
![Geometry I](/img/courses/6d032878df209caeac98d497ff9973fb.png)
![Geometry II](/img/courses/5b255453271f9b5ac73f9d0e691d6ef6.png)
![3D Geometry](/img/courses/dbaf7dc9454f50f49395bda171b3c996.png)