AD Baker

If you are asking about the Computer Programming course, those functions are covered in the Documentation.

1. Community
2. Feature Requests and General Site Feedback
3. Missing lesson on floor and roof function

If you are not confident in your current skills, I would consider taking Pre-Algebra and Algebra Basics.  If you feel good about your basic skills, I would suggest taking Algebra 1, Algebra 2, Coll...

1. Community
2. General Khan Academy Questions
3. Linear Algebra track

Each of these courses has a Course Challenge button on its main page.  Try taking the course challenge for each.  Then, tackle them in order from one for which you have the most Mastery to the one ...

1. Community
2. Study Group
3. Pre-Algebra Vs Getting ready for Algebra 1 Vs Algebra basics

You are very welcome!

1. Community
2. General Khan Academy Questions
3. Mathematics for data and forecasting - course suggestions

Other than a short article in Computer Programming (https://www.khanacademy.org/computing/computer-programming/programming-natural-simulations/programming-angular-movement/a/polar-coordinates), mos...

1. Community
2. Study Group
3. from which course can i learn polar coordinates

Phil,  No worries.  If you have mastered Pre-Algebra and Algebra Basics, you shouldn't need to worry about the references to grade level (1st Grade, 4th Grade, etc.). At this point, you have two op...

1. Community
2. General Khan Academy Questions
3. Mathematics for data and forecasting - course suggestions

You are very welcome.  I am so glad I could help. Best wishes on your Mathematical journey.

1. Community
2. General Khan Academy Questions
3. Need guidance on Calculus courses for Machine Learning

Depending on your current level of skill, you may want to start with Precalculus.  If you find that you already know that material, feel free to skip it. The College Board, the organization which d...

1. Community
2. General Khan Academy Questions
3. Need guidance on Calculus courses for Machine Learning

The College Board, the organization which develops and administers the AP exams, does not offer a "C-only" exam.  Their website doesn't state it outright, but, generally, depending on the college, ...

1. Community
2. Content Requests and Feedback
3. Calculus C

You can always post questions on the "Questions" tab.  If you are working on a Challenge, you may have to post your question under a different lesson or save your code as a Spin Off and post your q...

1. Community
2. Computing Platform Community Discussions
3. Coding