This module, based on Mathwright Microworld technology, allows linear algebra students to visualize linear transformations of the form Ax = y, where A is a 2 by 2 matrix.

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An **article** about the process of producing a computer software system for mathematical research or instruction

This collection of pdf files use the PascGalois software for guided explorations in the context of Number Theory course.

This applet allows the user to test a graph for planarity by simply dragging the nodes around until the graph's edges don't cross. Fixed exercises and an interface for drawing your own graph are given.

An interactive and visually engaging **mathlet** for exploring different types of convergence of sequences and series of functions.

This **mathlet** demonstrates limits visually by showing values for f(x) as x approaches a given constant c.

In this applet, a user fills in a grid to create a distribution of numbers. The applet displays the size of the standard deviation and the position of the mean in the distribution. An activity is provided to facilitate the use of the applet to investigate standard deviation.

A Biological ESTEEM module in the Genetics Category. This workbook simulates a linkage analysis problem with up to four alleles.

An **article** by the faculty advisor of the students who created the Math and Architecture Project, explaining how the project came about.