Collection of interpolators and approximators for one-dimensional, two-dimensional, and three-dimensional data, callable from Fortran and C.

A subroutines for solving some types of algebraically explicit differential algebraic equations.

A packages for solving large sparse linear systems by iterative methods.

A collection of Fortran solvers for the initial value problem for ordinary differential equation systems.

A portable FORTRAN emulation of CRAY SCILIB.

A software library containing over 1400 general purpose mathematical and statistical routines written in Fortran 77.

Fortran package by Richard Quandt for numerical optimization and numerous other statistical and utility routines. It is available for a number of platforms, such as IBM mainframes, Vax computers, CRAY supercomputers, IBM-compatible PCs, and Sun, DEC, ...

A repackaged version of ODEPACK with usability improvements such as GNU makefiles, examples, and HTML documentation. Numerical code is unchanged.

A mathematical and statistical library produced by Visual Numerics.

Free, open-source library for building GUI applications in all flavors of Visual Fortran. Site has other Fortran resources and samples.