AnalyticCycling.com provides interactive technical methods for evaluating and estimating cycling performance and parameters. It makes extensive use of differential equations and advanced numerical methods. It's recognized as an international, world-class authority on these topics.

QuickMath is an automated service for answering common student math problems over the Internet. Think of it as an on-line calculator that solves equations and does all sorts of algebra and calculus problems - instantly and automatically!

Ken Levasseur has a number of examples of Abstract Algebra at his web site.

Roger J. Brown, PhD, is Director of Research, Real Estate and Land Use Institute at San Diego State University. His www.Mathestate.com web site offers a proprietary set of data driven mathematical tools designed to analyze real estate investments using real data and custom formulas.

Here are examples of webMathematica applications from many different scientific disciplines. These are interactive and run at Wolfram Research's web site. The explanations include the annotated programing code for each example.