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1. Community
2. Feature Requests and General Site Feedback
3. Why is perfection required for proficiency? 6/7 questions correct should be enough.

I think they should go back to getting a number of questions correct in a row to level up. Not such a huge fan of the whole getting one question wrong, and having to do a whole 7 more, especially o...

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3. Completely confused by 3 calculus sequences…which is the most complete and rigorous ?

Calculus I and Calculus II do cover more content that AP Calculus, but only like 5 more skills for some reason. I wouldn't recommended taking the differential calculus and integral calculus courses...

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3. Which calculus class comes after pre-calculus?

The typical timeline for maths is Precalculus, then Calculus I/AP Calculus AB, then Calculus II/AP Calculus BC (content that is exclusive to AP Calculus BC is what is taught in Calculus II. Everyth...

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3. the wrong answer in exercise

The answer (C) is actually correct. Unfortunately, Khan Academy, as far as I'm aware, doesn't have videos or articles that directly talk about these problems. The answer explanations are very unhel...

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2. Feature Requests and General Site Feedback
3. Original Progress/"Grading" System

Preach! Honesty, I don't know why they changed it. It also just looks kinda ugly.

1. Community
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3. Khanmingo

Didn't they say that donators (and teachers) get PRIORiTY for Khanmigo? I haven't watched the intro video in a while, but I think they said that once they get enough donations just for the site as ...