Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

There are four levels to play, each divided into three stages. You start by learning the home row keys. Each stage builds on previous lessons, introducing new letters as you progress and giving you ...

Found on the web: "A modular multiplication circle is a visualization that uses a circle to represent numbers in a specific modulus and draws lines to connect points based on a multiplication pattern.