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This module develop the SIR Model for the spread of an infectious disease, including the concepts of contact number and herd immunity.
A mathematical model for the number of subscribers to two competing cable TV companies is presented. An applet is included, allowing the user to experiment with the model.
This Flash Forum entry provides instructions and source code for a simple 3D plotter using PaperVision3D in Flex. The basis of the applet is ActionScript 3. The tutorial is composed of two videos and links to supporting files.
A module to explore Consumer Price Index data by fitting an exponential curve to it in Excel
This server-side application allows the user to enter a list of U.S. cities and gives several standard approximate solutions to the TSP problem for the set using great circle distances for weights.
A mathlet that allows you to visualize a sequence (or series) of real functions.
Announcements of events of interest to Loci readers
A suite of mathlets for interactive exploration of quadric surfaces
A Biological ESTEEM module in the BioChemistry Category. This workbook calculates the necessary components to create a buffer solution.
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.