Thanks!
My main focus was accessibility - i.e. something people would recognize & be able to jump right into, particularly when it comes to drawing graphics.
Howdy Folks-
I've developed an online programming environment that physics enthusiasts would find useful. You can use it to write programs & publish them online. There's built-in graphics capabilities, if you want to do fancy visualization stuff.
http://sporkforge.com/sporkapps/build.php