Cyndie Enfinger

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3. Discrete Math

Agreed.  I've seen this request quite a few times.  Might be worth searching for and make sure you vote on all of them.

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3. Discrete Mathematics

I agree.  I have a Computer Science degree and this was an important class for building foundation skills that I use in my career as a programmer.  It was a class that many people had trouble with ...

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3. Khan Academy: the best game ever!!! :)

Awesome Story!

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3. I think It would be if we had new subjects like advanced

There are some other requests for similar maths, like here.. https://khanacademy.zendesk.com/hc/en-us/community/posts/201470924-Discrete-Mathematics That link is one of the most voted on requests, ...

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3. What is my level?

You might try picking a grade level or math subject that you think you know or think might be about the right level for you and try the Mastery Challenge for that level. They call it a Mission Warm...

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3. Tension (Force and laws of motion)

Some of the tension videos are not by Sal and they move quickly, which makes it hard to retain.  Sal tend to take the time to go through it thoroughly, so I agree.  I'd also like to see more practi...