When comparing **Khan Academy** vs **Lemma: Linear Algebra**, the Slant community recommends **Khan Academy** for most people. In the question**“What are the best resources to learn linear algebra?”** **Khan Academy** is ranked 1st while **Lemma: Linear Algebra** is ranked 6th. The most important reason people chose **Khan Academy** is:

Khan Academy is 100% free and does not require you to sign up in order to access the courses.

#### Specs

#### Ranked in these QuestionsQuestion Ranking

#### Pros

### Pro Free

Khan Academy is 100% free and does not require you to sign up in order to access the courses.

### Pro Motivation through gamification

Users collect badges and points through completing missions, watching videos, adding comments and more.

### Pro Q & A Section

There is a Q & A section after every video where you can ask questions there and let other users answer them.

### Pro Rich practice in Khan Academy style

For every lesson, it has a "worksheet" where you can attempt to solve problems in the set. And for each problem, there's a "check" button where you can see if it's right or not, and also there're "hint" and "solutions" for each problem.

The website also uses the "smart textbox" for entering equations conveniently like what Khan academy does.

### Pro Very well completed in content

Explicit in content for pretty much everything you need to learn about Linear algebra.

#### Cons

### Con Limited programming courses

The programming courses are not in-depth, giving students only a basic knowledge of programming. The language choices are also limited (HTML, CSS and JavaScript).

### Con Teaching skills need to be improved

### Con Too much "Polynomial vectors"

He's mixing too much things out of core ideas of Linear algebra, which leads to confusion.