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A preparatory module for problem-solving in physics and calculus that covers systems of units, dimensional analysis, significant figures, estimation, and orders of magnitude
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.
A Biological ESTEEM module in the Sequence Alignment Category. These two worksheets implement a dynamic programming algorithm for pairwise sequence alignment.
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.

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.

This applet allows the user to see regions of integration for double integrals in rectangular or polar coordinates. The applet uses classes from the article "Flash Tools for Developers: Parametric Curves on the Plane."
This article explores the strategies of timid play and bold play in the game of red and black
This module uses the problem of modeling growth in a chambered nautilus shell to give the user experience with the concepts of polar coordinates and parametric curves.
This Law-of-Large-Numbers applet and supporting activities is developed as part of the Statistics Online Computational Resource (SOCR).