Mathematics on the Web

Global (and Local) Optimization	A comprehensive archive of online information on global and local optimization.
SolvOpt	Solver for local optimization problems (free)
Michael Trick's Operations Research Page	A page for pointers to all aspects of operations research.
Interactive Real Analysis	An online, interactive textbook for Real Analysis or Advanced Calculus in one real variable.
Algorithms and Complexity by Herbert Wilf	You can download this book.
Generatingfunctionology by Herbert Wilf	You can download this book.
A=B by Marko Petkovsek, Herbert Wilf and Doron Zeilberger	You can download this book.
Interactive Linear Programming	Try out small linear programming models using an interactive input interface. Automatically generate graphical solutions to two-dimensional problems.
Indiana University's MAPLE tutorials	MAPLE tutorials
Interactive Learning in Calculus and Differential Equations with Applications	Mathematica notebook
Interactive Projects and Activities	mathematical games and classic fallacies
Interactive Mathematics Online	Algebra, Geometry and Chaos
CyberMath	Has section that explores the many applications of mathematics: apply interpolating curves to the design of a Minivan, calculate the nodal voltages in an AC circuit containing resistances and reactances, study the complicated problem of calculating projectile motion in the presence of air resistance or drag.
Interactive Mathematics	Interact with live graphs, equations, curves and symbolic manipulations. Experiment with surfaces that you can rotate, animate, and zoom-in or out. Write math on the WWW without GIFs.
calculus@internet	An interactive mathematics page.
Elementary Linear Algebra by Keith Matthews	On-line textbook.
Discrete Structures in Computer Science	On-line course notes Discrete Structures in Computer Science.
Graph Theory Tutorials	On-line Graph Theory Tutorials.
William Boyce's differential equations page	Resource page for differential equations.
Generating Graphs	Provide a nice interface for Brendan McKay's makeg program
Graph Theory	Stephen Locke's Graph Theory Page
The Erdös Number Project	Jerry Grossman's Erdös Number Project Page
Mathematical Programming Glossary	Harvey J. Greenberg's Mathematical Programming Glossary Page
DIMACS	Center for Discrete Mathematics and Theoretical Computer Science
Who's On-line, Mathematicans	A page with links to some homepages of mathematicans
The Electronic Journal of Combinatorics	A mathematics journal that is published on-line
Home pages of combinatorial people and groups	Links to homepages of combinatorial people
The Stony Brook Algorithm Repository	A comprehensive collection of algorithm implementations the most fundamental problems in combinatorial algorithms
An Introduction to Linear Programming and the Simplex Algorithm	A web based course on LP
ABSTRACT ALGEBRA ON LINE	A web based course in abstract algebra
Calculus on the Web	A web based course in Calculus
Optimization Frequently Asked Questions	A LP and NLP FAQ site
Traveling Salesman Problem - Home Page	A travelling salesman problem homepage at Princeton University
MathSciNet Home Page	Mathematical Reviews on the Web
Zentralblatt MATH	Mathematical Reviews on the Web
The Hypertext Bibliography Project	A database for computer science related papers
Computer Science Bibliography	A database for computer science related papers
A compendium of NP optimization problems	List of NP-Complete problems
Graph Theory by Richard Diestel	You can download this book.
The NECI Scientific Literature Digital Library	A research index website.
Optimization Online	A repository of eprints about optimization and related topics.
Introduction to the Singular Value Decomposition	An On-line Introduction to the Singular Value Decomposition (Todd Will)
QSopt homepage	A LP solver that is available for various platforms including an GUI version for Windows. It also has a callable library.
Mathematical Programming Society	Homepage of Mathematical Programming Society
SIAM	Homepage of Society for Industrial and Applied Mathematics
INFORMS	Institute for Operartions Research and the Management Sciences
AMS	American Mathematics Society