Displaying 11 - 20 of 323

This article argues for pedagogical reasons that the dot and cross products should be defined by their geometric properties, from which algebraic representations can be derived, rather than the other way around.

This article uses interactive mathlets to explore various methods of determining the winner of a three party election. Methods of constructing paradoxical examples are also given.

Poems sometimes have interesting connections to mathematics, either because of mathematical imagery in the poem or because of mathematics in the structure of the poem (word or syllable counts or shape). This article explores some of these connections

In this article, we use on-line resources and computational tools to approximate the volume of the space occupied by each planet as it orbits the Sun.

In this article we use Java applets to interactively explore some of the classical results on approximation using Chebyshev polynomials. We also discuss an active research area that uses the Chebyshev polynomials.

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.

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.