You've probably been to a playground, but have you been to the Geometry Playground? It's just as much fun, and it may change the way you think about geometry. Created by the good folks at the Exploratorium in San...

Students may not always learn in the same way, so teachers can help them by drawing on a diverse set of educational materials and techniques. Math teachers will appreciate learning about this set of developmental math...

Throughout history, there have been many famous curves. In this case, the famous curves profiled here have names such as rhodonea, right strophoid, and the Kampyle of Eudoxus. These curves belong to the world of the...

An idiosyncratic and personal selection of particularly important or particularly intriguing mathematical equations, not all of them complicated. Mathematical Constants; The definition of Pi; The definition of e; A...

This is an interactive site that explains the ideas behind trigonometry. It also offers hands on experience in working with triangles.