This article describes ZMap, an applet that helps students visualize the graphs of complex-valued functions.

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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.

A Biological ESTEEM module in the BioInformatics Category. This workbook allows the analysis of sample or imported protein sequences.

This article provides Flash files that will deliver a quiz made up of multiple choice and multiple answer questions that the instructor can create in a simple text file. No knowledge for Flash or programming required!

This interactive page allows readers to construct a Kuratowski 14-Set on the real line by selecting from among ten checkboxes, each representing a given set of real numbers.

This module develop the SIR Model for the spread of an infectious disease, including the concepts of contact number and herd immunity.

This applet encourages students to use the mathematics of the motion of a projectile to choose angle and velocity necessary to hit a roving target. The source code is available from the link within the Sharing Area of the Flash Forum.

This article explores the symmetry method in elementary differential equations, which uses the invariance of the equation under certain transformations to create a coordinate system in which the equation greatly simplifies.

A **module** to explore Consumer Price Index data by fitting an exponential curve to it in Excel