A number of websites provide access to very fine educational resources designed to assist college students master their subjects of study. This site, created by Ken Foster at the Southwest Tennessee Community College,...

A discussion of the history of conic sections, one of the oldest math subjects studied systematically and thoroughly, with a description, formulas, properties, a proof, Mathematica notebooks, the ellipse seen as a...

A discussion of the many ways to classify curves, how they are named, a curve family tree, and interconnection between curves, with related Web sites about fractals and curves. Hosted by the Math Forum.

This lesson from Illuminations explores conic shapes. The shapes circle, ellipse, hyperbola, and parabola are illustrated. Students will discover how to cut a double-napped cone to create the various conic sections. The...

Utilizing dynamic models to explain different aspects of geometry can be a powerful pedagogical tool. This is exactly what inspired Eduardo Veloso and Rita Bastos to write this classroom exercise for the Mathematical...