The PDL module gives standard perl the ability to COMPACTLY store and SPEEDILY manipulate the large N-dimensional data sets that are the bread and butter of scientific computing.
StarMap 3D: the project aims to offer a fast and easy consultation of stellar systems
THOTH SEEEN ALIVE A STUDY of the Character of THOTH, Egyptian god. Extraordinary amounts of mathematical interplay. Lots of pictures to see, already developed. It's worth a Look, I believe.