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A suite of mathlets for interactive exploration of quadric surfaces
We highlight five pages written in XHTML with links to SVG files that produce animations illustrating calculus concepts such as the sign of the derivative, inflection points, conic sections, area between two curves, and multivariable functions.
This mathlet computes Riemann sums for a user-defined function and draws a graph of the function as well as a graphical represenatation of the approximations.
A Biological ESTEEM module in the Sequence Alignment Category. These two worksheets implement a dynamic programming algorithm for pairwise sequence alignment.

Users toss a virtual coin or die to investigate the law of averages. The outcomes of multiple experiments (consisting of 10000 tosses each) can be graphed on the same plot to facilitate visualization of trends. An activity is provided to facilitate thinking about the law of averages with the applet.

An article discussing the use of technology in abstract analysis, real analysis, and geometry.

This Biological ESTEEM module in the Botany Category allows scientists to collect data from specimens, insert the measurements into a spatially explicit L-system package, and visually compare to the computer generated 3D image with such specimens.
In this article we examine several specific geometric phenomena in Euclidean space and calculate the asymptotics as the dimension gets large.

A Developers' Area article to assist college math instructors to write their own applets.

This applet and corresponding activity represent a general demonstration of the effects of the Central Limit Theorem. It is part of the Statistics Online Computational Resource (SOCR).