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This collection of pdf files consists of fully developed lesson plans for using Pascal's Triangle and the PascGalois software for a standard course in Mathematics of Elementary Education.

This interactive matching game uses Flash to bring to life the standard "reform calculus" problem of matching graphs of function and their (first and second) derivatives.

This Flash Forum entry provides instructions and source code for a simple 3D plotter using PaperVision3D in Flex. The basis of the applet is ActionScript 3. The tutorial is composed of two videos and links to supporting files.

This article explores how mathematical techniques, digital images, and dynamic geometry software can be used to analyze a real-world situation originating from poultry science. The topic is mathematical modeling of the shape of an egg, where the underlying question is: What is the volume and surface area of a hen's egg?"

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.

Two applets for giving students some hands-on practice with cycle notation and composition of permutations.

Events in our world are often modeled with differential equations. This article develops numerical solvers for ODEs. Interactive applets explore topics including slope fields and numerically solving definite integrals and differential equations.

The curve traced out on a baseball by its seam has many symmetries. This article explores the class of closed spherical curves with the same symmetries, which we call *generalized baseball curves*.

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