N-Body/Particle Simulation Methods  
   Overview of N-body methods.
   http://www.amara.com/papers/nbody.html

Inverse Symbolic Calculator  
   A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers.
   http://www.cecm.sfu.ca/projects/ISC/

NA-Net  
   Searchable weekly email digest on numerical analysis.
   http://www.netlib.org/na-net/na_home.html

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.
   http://www.math.berkeley.edu/~sethian

Interval Computations  
   Indexes links relating to interval arithmetic and related issues.
   http://www.cs.utep.edu/interval-comp/

Tomasz Plewa's Numerical Analysis Directory  
   Directory of sites containing software for numerical analysis (mainly in Fortran).
   http://www.labyrinth.net.au/~ctrans/tomasz.html

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.
   http://www.ddm.org/

MGNet  
   Multigrid method resources. Sites, publications, software.
   http://casper.cs.yale.edu/mgnet/www/mgnet.html

Numerical Analysis Resources FAQ  
   Maintained by Steve Sullivan.
   http://www.mathcom.com/corpdir/techinfo.mdir/scifaq/index.html

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.
   http://mathforum.org/discussions/epi-search/sci.math.num-analysis.html

External Numerical Analysis Sources  
   Compiled by Nick Gould, Rutherford Appleton Laboratory.
   http://www.numerical.rl.ac.uk/external/external.html

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.
   http://numbers.computation.free.fr/Constants/Algorithms/newton.html

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.
   http://www.pedrofreire.com/sqrt/

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 eng
   http://www.lifelong-learners.com/pde

Numerical Methods  
   A guide to on-line resources.
   http://tonic.physics.sunysb.edu/docs/num_meth.html

IPNet  
   Inverse Problems Network, for the area of inverse or ill-posed problems.
   http://www.mth.msu.edu/ipnet/

Orthogonal Polynomials and Special Functions  
   SIAM activity group. Newsletter, conferences, bibliography, reports, history, jobs, other resources.
   http://math.nist.gov/opsf/

Foundations of Computational Mathematics (FoCM)  
   A nonprofit organization that supports and promotes research on foundations of computational mathematics.
   http://www.focm.net/

Holistic Numerical Methods Institute  
   A collection of resources on numerical methods aimed at undergraduates, maintained at the University of South Florida.
   http://numericalmethods.eng.usf.edu

WANDA  
   Website for Accessing Numerics : the Dundee Archive. Numerical Analysis resources at Dundee University.
   http://www.maths.dundee.ac.uk/~www/

Solve Equations by Successive Approximations  
   Approximation formulae to compute real and complex solutions of equations in a spreadsheet.
   http://members.ispwest.com/patrussell/approximations/introduction.htm

On-line Numerical Methods  
   A web-based numerical methods simulator for student use.
   http://mn.fe.up.pt/second_en.htm