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Guidelines for Loci reviewers -- including evaluation criteria and summary results.
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.
This Flash Forum article includes source code and instructions for building a truth table applet and other applications requiring parsing and evaluation of logical expressions.

An article on Group Explorer, a system that uses graphical representations of groups to build intuition.

A mathlet to sketch a derivative function by hand or by recording slopes of tangent lines.
This article highlights several new modules in the ESTEEM collection maintained by the BioQuest Curriculum Consortium.
This set of four pages leads students through an introduction to standard set theory notation and the use of Venn diagrams. Java applets are used to give students random questions to which they respond with a graphical (point and click) interface.
The Mathematical Association of America has found the new Editor to succeed David Smith as the Editor of JOMA.
The Flash Forum resource shows velocity and acceleration vectors for an arbitrary parametric curve in space, and provides built in examples. Flash source code is provided.
Graph functions, zoom on points, and find points of intersection of multiple graphs.