   |-----handy-ruler------------------------------------------------------|
gsl: gsl (GNU Scientific Library)
gsl:
gsl: The GNU Scientific Library (GSL) is a numerical library for C and C++
gsl: programmers. It is free software under the GNU General Public License.
gsl: 
gsl: The library provides a wide range of mathematical routines such as 
gsl: random number generators, special functions and least-squares fitting.
gsl: 
gsl: 
gsl: 
gsl: 
