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This article presents a fresh look at an age-old calculus optimization problem, the 'box problem.' (Also includes a Student Module condensed from the article.)

A Biological ESTEEM module in the Epidemiology Category. This worksheet implements an SIR (Susceptible/ Infected/ Resistant) model of epidemiology for vector-borne diseases.
A module to explore Consumer Price Index data by fitting an exponential curve to it in Excel
A mathlet that allows you to visualize a sequence (or series) of real functions.
The purpose of this collection of applets and activities is to make students familiar with the basic principles of complex numbers. Combining explanatory text, exercises and interactive GeoGebra applets, this resource is suitable for both classroom lectures and distance learning.
This ESTEEM module in the Biometrics Category describes construction of three simple databases using a spreadsheet. Recommendations for building simple databases using a computer spreadsheet and the statistical analysis of its data are given.
A suite of mathlets for interactive exploration of quadric surfaces
This mathlet computes Riemann sums for a user-defined function and draws a graph of the function as well as a graphical represenatation of the approximations.
These applets and educational materials demonstrate the shapes and parameters for several commonly used discrete and continuous probability distributions. It is part of the Statistics Online Computational Resource (SOCR).
This Mathwright Microworld allows a student to look at systems of linear equations as (1) simultaneous linear equations, (2) vector equations, and (3) matrix equations.