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Chemical Graph theory is used to model physical properties of molecules called alkanes. Java applets allow for interactive exploration of molecules. A student project and discussion of its application are included, along with spreadsheets of model data.

This applet uses the free Flash player plug-in resident in most browsers to allow the user to plot a parametrically defined curve on a customized scale and dynamically rotate the three-dimensional picture.
Third in a series of Developers' Area articles on constructing Java applets for use in mathematics courses, with emphasis on displaying intersecting surface graphs in three dimensions
A welcome message from the Executive Director of MAA
A brief outline of policies for submission of articles to Loci.
A Biological ESTEEM module in the BioInformatics Category. This workbook allows the analysis of sample or imported protein sequences.
This is an article describing the author's experiences using the Duke Connected Curriculum materials

This article looks at several geometric, straightedge-and-compass constructions for trisecting a line segment, comparing them based on the numbers of lines or circles required for the construction.

This Flash Forum article includes source code and modification instructions that will allow you to customize a grapher for polar and parametric curves in the plane.

Marden's Theorem concerns the relative positions of the roots of a cubic polynomial and those of its derivative. This article gives a proof of Marden's theorem, along with dynamic geometry animations and some of the history of the result.

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