This is super useful, and I hope to see many many more examples of this kind of approach to teaching programming and math concepts, especially in graphics where

This is super useful, and I hope to see many many more examples of this kind of approach to teaching programming and math concepts, especially in graphics where real time visual feedback is so important. As he says, there is a lot of material for the already advanced out there, but not much that fills the gap for people already used to coding but that lack the experience for digesting dense packets of information relevant to the topic. I hope he can finish this. Does anyone know of other interactive learning projects such as this?