tag:old.nabble.com,2006:forum-1679 2009-12-06T10:55:39Z The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers. The library provides a wide range of mathematical routines such as random number generators, special functions and least-squares fitting. There are over 1000 functions in total. Gnu - GSL home is <a href="http://www.gnu.org/software/gsl/" target="_top" rel="nofollow">here</a>.