N-Body/Particle Simulation Methods
Overview of N-body methods.

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.

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.

Interval Computations
Indexes links relating to interval arithmetic and related issues.

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

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.

MGNet
Multigrid method resources. Sites, publications, software.

Numerical Analysis Resources FAQ
Maintained by Steve Sullivan.

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.

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

Newton's Method and High-order Iterations
Newton's iteration : History, convergence results, Halley's iteration and high order new iterations. A web text in HTML and PostScript.

SQRT - Algorithms for Calculating the Square Root
Describing two major algorithms: one efficient in terms of size, the other in terms of speed. English/Portuguese.

Numerical Methods for PDEs with Java Applets
Distance learning course dealing with finite differences / elements, Monte-Carlo, Fourier and Lagrangian methods for the advection, diffusion, wave, Schrodinger, Burger and KdV equations. The commercial version of a course taught to science and engineering students at the Royal Institute of Technology in Stockholm (Sweden).

Numerical Methods
A guide to on-line resources.

IPNet
Inverse Problems Network, for the area of inverse or ill-posed problems.

Orthogonal Polynomials and Special Functions
SIAM activity group. Newsletter, conferences, bibliography, reports, history, jobs, other resources.

Foundations of Computational Mathematics (FoCM)
A nonprofit organization that supports and promotes research on foundations of computational mathematics.

Holistic Numerical Methods Institute
A collection of resources on numerical methods aimed at undergraduates, maintained at the University of South Florida.

WANDA
Website for Accessing Numerics : the Dundee Archive. Numerical Analysis resources at Dundee University.

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

On-line Numerical Methods
A web-based numerical methods simulator for student use.

Arithmetica On-Line
A webtext explaining some examples of online algorithms for numerical computations.