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about JOMA
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 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.
A mathlet for exploring reflected and refracted images
This article gives a brief account of the learning material to be found at the maths online website.
Trying to make Flash work
This utility uses the free Flash player plug-in resident in most browsers to allow the user to plot parametrically defined surfaces in spherical coordinates. Many examples and directed exercises are included.
An extended module for students to explore the linear algebra concepts, especially the singular value decomposition, behind modern search engines
A Developer's Area column on Java for those coming from a teaching background who seek programming advice and those with a software development background who seek to develop an item of value to the teaching and learning communities.

This paper uses graphics and animations to illustrate how to construct root and weight diagrams for Lie algebras, and how the root and weight diagrams can be used to identify subalgebras.