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Some introductory remarks from the new Editor of Loci.
Investigate properties of the mean and median of a distribution, and then test your knowledge.
A description of the online publication, Loci.
How to cite an article in Loci.
Information about the mission of Loci Resources and about submissions and editorial standards.

The curve traced out on a baseball by its seam has many symmetries. This article explores the class of closed spherical curves with the same symmetries, which we call generalized baseball curves.

Trying to make Flash work

Events in our world are often modeled with differential equations. This article develops numerical solvers for ODEs. Interactive applets explore topics including slope fields and numerically solving definite integrals and differential equations.

Two applets for giving students some hands-on practice with cycle notation and composition of permutations.