Preconditioned Eigensolvers - Software, papers, and references.

Inverse Symbolic Calculator - A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.

NA-Net - Searchable weekly email digest on numerical analysis.

Numerical Recipes Home Page - Books on-line, updates, and electronic purchasing.

Method of Numerical Solution for Systems of Nonlinear Equations - Presents a method of numerical solution for systems of nonlinear equations. Email for full information.

MatLinks Software Network - Providing the MatLinks ToolChest and Chorus ToolBox, peer-reviewed GNU Octave and Matlab/Simulink toolsuites under active development by scientists and engineers around the world.

Matrix Inequalities - Links, people, preprints.

ArXiv Front: NA Numerical Analysis - Numerical analysis section of the mathematics e-print arXiv.

Level Set and Fast Marching Methods: - Tracking moving interfaces in computational geometry, materials sciences, robotics, image processing, and fluid mechanics; numerical techniques based on partial differential equations.

Jean-Pierre Moreau's Home Page - This private website is dedicated to sources in Numerical Analysis in four languages: BASIC, C++, FORTRAN 90 and Turbo Pascal in Microsoft Windows environment.

Solve Equations by Successive Approximations - Approximation formulae to compute real and complex solutions of equations in a spreadsheet.

WANDA - Numerical Analysis resources at Dundee University.

Approximation Theory Network (AT-NET) - Publishes a Bulletin and lists journals, theses, people, events and other links.

Interval Computations - Papers, courses and links.

Tomasz Plewa's Numerical Analysis Directory - Directory of sites containing software for numerical analysis (mainly in Fortran).

Pseudospectra Gateway - Software Examples; History; People; Bibliography; Applications.

Domain Decomposition Organization - Bergen, Norway. Information about the annual international Domain Decomposition meeting, links to people working in the field and information about books and other material related to Domain Decomposition.

History of Approximation Theory - Articles and web resources developed by Allan Pinkus and Carl de Boor.

Information Base on Sparse Linear Systems and Matrix Computations - Bibliographic references, links and search interfaces.

MGNet - Multigrid method resources. Sites, publications, software.

Numerical Analysis Resources FAQ - Maintained by Steve Sullivan.

Pseudospectra - The pseudospectrum of a matrix provides information about the behavior of the eigenvalues of A when A is subject to perturbations. Links to other resources.

Open Problems in Constructive Approximation - Articles in PostScript format.

Search sci.math.num-analysis - Teachers and students of numerical analysis will find others who share their interests at the sci.math.num-analysis discussion list. Searchable archive at the Math Forum.

Bibliography on Sparse Linear Systems and Related Areas of Computation - With emphasis on Computational Linear Algebra, High Performance Computing, Mathematical Programming and Graph Theory. Searchable.

External Numerical Analysis Sources - Compiled by Nick Gould, Rutherford Appleton Laboratory.