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This collection of mathlets comprise a companion for modeling assignments (primarily for calculus) designed to give students hands-on experience describing motion as a combination of basic functions.
This applet supplements the authors' "Gutter Problem" material, but can be used to generally study properties and forms of quadratic functions, both analytically and graphically.

A tribute to one of our authors, who died suddenly and unexpectedly while his second JOMA contribution was in preparation.

An article in which the focus-locus, focus-directrix, and cone-slicing descriptions of ellipses are related by way of the space-time geometry of special relativity.
Information about the mission of Loci Resources and about submissions and editorial standards.
Excel Simulations and Tools for Exploratory, Experiential Mathematics (ESTEEM) is a project of the members of the BioQuest Curriculum Consortium.

Parting shots from the outgoing editor.

A mathlet to construct an antiderivative by accumulating area under the graph of a function.
Three applets allow you to interact with the puzzle described in the April 2009 Mathematics Magazine article by Alex Fink and Richard Guy.
A Biological ESTEEM module from the Ecology Category. This Excel workbook uses the Leslie Matrix Model for population projection of age-class or stage-class structured populations.