ftp://ftp2.tw.freebsd.org/FreeBSD/development/FreeBSD-CVS/ports/math/  direct

[DIR]R/  direct  1000+ twin directories
[DIR]PDL/  direct  340+ twin directories
[DIR]PDL/  direct  340+ twin directories
[DIR]aamath/  direct  63 twin directories
[DIR]asymptote/  direct  430+ twin directories
[DIR]atlas/  direct  850+ twin directories
[DIR]atlas-devel/  direct  90 twin directories
[DIR]GiNaC/  direct  51 twin directories
[DIR]bihar/  direct  49 twin directories
[DIR]blas/  direct  670+ twin directories
[DIR]ccmath/  direct  89 twin directories
[DIR]Scilab/  direct  47 twin directories
[DIR]apc/  direct  143 twin directories
[DIR]arpack++/  direct  400+ twin directories
[DIR]Scilab/  direct  47 twin directories
[DIR]apc/  direct  143 twin directories
[DIR]arpack++/  direct  400+ twin directories
[DIR]asir2000/  direct  46 twin directories
[DIR]blitz++/  direct  500+ twin directories
[DIR]calc/  direct  1000+ twin directories
[DIR]cgal/  direct  320+ twin directories
[DIR]clarence/  direct  55 twin directories
[DIR]cxsc/  direct  47 twin directories
[DIR]dcdflib/  direct  47 twin directories
[DIR]eigen/  direct  540+ twin directories
[DIR]eispack/  direct  194 twin directories
[DIR]asir2000/  direct  46 twin directories
[DIR]blitz++/  direct  500+ twin directories
[DIR]calc/  direct  1000+ twin directories
[DIR]cgal/  direct  320+ twin directories
[DIR]clarence/  direct  55 twin directories
[DIR]cxsc/  direct  47 twin directories
[DIR]dcdflib/  direct  47 twin directories
[DIR]eigen/  direct  540+ twin directories
[DIR]eispack/  direct  194 twin directories
[DIR]chryzodus/  direct  44 twin directories
[DIR]coq/  direct  580+ twin directories
[DIR]diehard/  direct  52 twin directories
[DIR]dislin/  direct  60 twin directories
[DIR]drgeo/  direct  480+ twin directories
[DIR]elmer-umfpack/  direct  43 twin directories
[DIR]facile/  direct  500+ twin directories
[DIR]freemat/  direct  350+ twin directories
[DIR]gnumeric/  direct  1000+ twin directories
[DIR]goblin/  direct  186 twin directories
[DIR]gri/  direct  570+ twin directories
[DIR]jsmath-fonts/  direct  330+ twin directories
[DIR]lapack/  direct  850+ twin directories
[DIR]lapack++/  direct  101 twin directories
[DIR]elmer-umfpack/  direct  43 twin directories