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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
This is a pair of (1D and 2D) SOCR Activities that demonstrate random sampling and fitting of mixtures of Gaussians to model complex data (e.g., multimodal).
This applet, designed as a limited computer algebra system, allows the user to evaluate mathematical expressions, including those of interest in a calculus class.
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 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?"

This utility uses the free Flash player plug-in resident in most browsers to allow the user to plot 3D curves and surfaces on a customized scale and dynamically rotate the picture.
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.
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