Links
- http://www.math.unideb.hu/
Mathematical Institute, University of Debrecen - http://www.math.leidenuniv.nl/
Mathematical Institute, Leiden University - http://escherdroste.math.leidenuniv.nl/
Applying mathematics to Escher's Print Gallery - http://www.numbertheory.org/
Number Theory Web - http://front.math.ucdavis.edu/
Front for the Mathematics Arxiv - http://listserv.nodak.edu/archives/nmbrthry.html
Number Theory List
- http://distrowatch.com
a very popular site with release news and reviews - http://www.archlinux.org
Arch Linux - http://frugalware.org
Frugalware Linux - http://www.slackware.com
Slackware Linux - http://www.ubuntulinux.org
Ubuntu Linux - http://freshmeat.net
if you look for some software it is a good site to start... - TeXmacs
a wysiwyg free scientific text editor and
interface for computer algebra systems - Kile
a user friendly TeX/LaTeX editor