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An article by the faculty advisor of the students who created the Math and Architecture Project, explaining how the project came about.

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.
In this article, we explain what we mean by an "interactive mathematics text"; we describe its goals, contents, and pedagogical methods; and we explain the thinking that went into in writing our text, Visual Linear Algebra.
A module for studying lines, circles, and triangles in the hyperbolic plane

This article discusses parameterized knots (polynomial and trigonometric) and includes an interactive gallery of selected knots and their equations.

This ESTEEM module in the Ecology Category consists of an Excel workbook that allows the diversity of a biological population to be estimated with both the Shannon and Simpson biodiversity indices based on information theory.
This mathlet provides an innovative tool that allows the user to sketch a function with the mouse in order to examine some common issues and misconceptions about the average value of a function.
This is an article about the contents and use of the Duke Connected Curriculum Project interactive mathematics materials.
This application allows randomized Venn Diagram review and self-testing implemented in Flash.