david powell

1. Hamjamiyat
2. Study Group
3. doing integrals 'from first principals'

Hi, thanks for replying. I did a bit of digging and managed to come up with a solution using Rieman sums and the limit definition for the integral of f(x)dx where f(x) = x^2, and I calculated the i...

1. Hamjamiyat
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3. Precalculus series unit and convergence/divergence

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1. Hamjamiyat
2. General Khan Academy Questions
3. What is the best sub-forum to post math questions in the Khan Community section?

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1. Hamjamiyat
2. Feature Requests and General Site Feedback
3. Unable to add Calculus 1 course to Learner Home

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