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This article introduces a Web-based technology, called enVision, that extends the concept of a chatroom or whiteboard to include capabilities for mathematical and symbolic content.

The Chebyshev equioscillation theorem is of great importance in polynomial approximation, but is usually omitted from the undergraduate numerical analysis course. Our aim in this paper is to use applets to motivate and illustrate the proof.

Our purpose in this descriptive, exploratory study is to report on our efforts in conducting a cyber tutoring project that combined two curricular domains ---- mathematics education and engineering education.

This Developers' Area article presents a five-step procedure to help authors construct mathlets in Excel. The procedure is demonstrated with a mathlet that shows the tangent line to the graph of a function.

This is an article on Scalable Vector Graphics, a standard format for two dimensional vector graphics. The first part is a gallery of examples that demonstrate a few of the possibilities. The second part breaks down one of the examples in detail.

The JOMA Global Positioning System and Imagery Collection is a growing library of data, how-tos, and materials for learning mathematics, science, and engineering using data collected with GPS units and both digital still and movie cameras.

In this Editor's note, I discuss how to use HTML, CSS style sheets, and JavaScript to produce mathematical documents that are well-structured, conform to best practices, and look good. I also provide a number of sample documents and links to resources.

An article describing the author's first experience with teaching an online course, with suggestions for those who find themselves in similar circumstances

In this article we introduce the free educational mathematics software GeoGebra. This open source tool extends concepts of dynamic geometry to the fields of algebra and calculus.

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.

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