An **article** about the Quantitative Environmental Learning Project (QELP), which has developed a web site featuring many data sets focused on environmental themes

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**article** about the Quantitative Environmental Learning Project (QELP), which has developed a web site featuring many data sets focused on environmental themes

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.

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 **mathlet** helps identify the type (separable, linear, exact, homogeneous, Bernoulli, Ricatti) of a given first order differential equation.

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."

An **article** that shows how visual representations using diagrams and kinetigrams can play an essential role in intuiting some mathematical objects that can be used to model some pharmacokinetic processes

This Law-of-Large-Numbers applet and supporting activities is developed as part of the Statistics Online Computational Resource (SOCR).