Vpython does all the stuff that python does (and I have a good python book). The one huge advantage of EJS is that it can export stuff to put in a webpage and share with others.

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

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Village problem? Is that even the correct name? Who knows? Here is the puzzle: There are four villages arranged such that they occupy the 4 corners of a perfect square. What arrangement of roads ...