Physics/Mathmatics Computer Programs?

[derek.basler]

Does anyone know any good physics and math computer applications? something good for homework or anything of the sorts. something fun to mess with at least.

 

[Kurdt]

I have a free program called maxima which does a range of things. I find it useful.

 

[Ioniser]

You can download Maxima here:

http://sourceforge.net/project/showfiles.php?group_id=4933

 

[Dale]

I like Mathematica

 

[Borek]

Why not chemical ones?