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A mathlet to sketch a derivative function by hand or by recording slopes of tangent lines.
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.
This is a Developers' Area article about the JOMA wiki and about creating and using wikis in general.
Useful for teaching as well as artistic endeavors, this applet allows the user to build a "seed" for a recursive process that constructs complex and fascinating fractal images.
This note introduces a new wiki devoted to "Better Practices for Presenting Mathematics on the Web." This wiki is an outgrowth of a workshop with the same name held July 15-21, 2007 in Washington, DC.
This site includes two applets, one for visualizing the approximation of a square wave by trigonometric series, and the other for hearing successive approximations to the displacement curve of a sound wave.
An introduction to Volume1, Issue 2

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.

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.

An article that presents an interactive, tactile, real-time proof of the parity theorem for permutations