Spectral dynamical core, written in Fortran 77 and primarily designed to run efficiently on small clusters composed of distributed memory computers using MPI. Can be run in two dynamical core versions: either as a dry, adiabatic primitive equations mo...

An article by Jeanne Adams.

By Jeanne Adams. Describes the evolution of Fortran, focusing on the Fortran 90 standard.

Collection of Fortran subprograms which utilize cyclic reduction to directly solve second- and fourth-order finite difference approximations to separable elliptic PDEs in a variety of forms.

Efficient Fortran 90 subprograms for the solution of separable elliptic partial differential equations.

From the book "Programmer's Guide to Fortran 90", by Walt Brainerd, Charles Goldberg, and Jeanne Adams.

By Zane Dodson.

Article by Jeanne Adams discussing various aspects of the exception-handling technical report.

A library for the direct solution of finite difference approximations to two-dimensional Helmholz equations. Includes documentation and source code.

A free, portable library for solving nonlinear systems of equations and nonlinear least squares problems.