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This Java applet allows the user to experiment with Riemann sums. It can also be used to approximate definite integrals or find upper and lower bounds to the exact value of a definite integral, using Riemann sums.

Constructing Mathlets using JavaMath

The use of JavaMath is explained via an example and ideas for new types of web service are discussed.

About JOMA

about JOMA

Flash Illustrations for Modeling

This collection of mathlets comprise a companion for modeling assignments (primarily for calculus) designed to give students hands-on experience describing motion as a combination of basic functions.

Quadratic Functions

This applet supplements the authors' "Gutter Problem" material, but can be used to generally study properties and forms of quadratic functions, both analytically and graphically.

On Fermat's Pond

A mathlet for exploring reflected and refracted images

The maths online Collection

This article gives a brief account of the learning material to be found at the maths online website.

Generalized Baseball Curves: Three Symmetries and You're In!

The curve traced out on a baseball by its seam has many symmetries. This article explores the class of closed spherical curves with the same symmetries, which we call generalized baseball curves.

Parametric Surfaces in Cylindrical Coordinates

This utility uses the free Flash player plug-in resident in most browsers to allow the user to plot parametrically defined surfaces in cylindrical coordinates. Many examples and directed exercises are included.