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This Math Flash Forum Sharing Area applet provides students with practice with polar coordinates and the radian measure of angles through a simple, interactive game.

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

about JOMA
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.

A tribute to one of our authors, who died suddenly and unexpectedly while his second JOMA contribution was in preparation.

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.
An article in which the focus-locus, focus-directrix, and cone-slicing descriptions of ellipses are related by way of the space-time geometry of special relativity.

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.

An article on Group Explorer, a system that uses graphical representations of groups to build intuition.

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.