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This article describes ZMap, an applet that helps students visualize the graphs of complex-valued functions.
A Biological ESTEEM module in the Sequence Alignment Category. These two worksheets implement a dynamic programming algorithm for pairwise sequence alignment.
A mathlet for discovery of the integral and differential power rules prior to formal discussion of integral, power rule, or Fundamental Theorem in a calculus course.

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 performs traditional elementary row operations keeping track of the entire process. It also allows fraction, integer, or decimal entries and preserves these types throughout the row reduction process.
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."
A module examining a model for the performance of world-class sprinters.
This Law-of-Large-Numbers applet and supporting activities is developed as part of the Statistics Online Computational Resource (SOCR).
An article that shows how to implement the Lanchester Combat Model in an interactive Excel spreadsheet
This collection of animations, embedded within the html document in gif and quicktime formats, illustrate computation of volumes via integration for first or second semester calculus students.