High-quality ordered math videos from ground up

  • I've been going through his series on Statistics to complement some MOOCs I've been doing on Data Science / Statistics. Very helpful stuff. Likewise, I just started going through his Calc I sequence to help me brush up on that stuff. Definitely one of my favorite Youtube personalities. I find his videos tremendously useful.

  • I started with his

    https://www.youtube.com/watch?v=OnyCk62hEL4

    on Green's theorem. He was animated and involved. Started with a nice overview. But, bad sound. Bad lighting. They were so bad I gave up.

    Please, someone help him get some okay video production quality.

  • How does it compare with Khan Academy? Content seems to overlap - what's the differentiation?