Complex numbers have applications in many applied sciences. This online text begins with an introduction to trigonometry, which serves as a starting point for additional discussion about complex numbers (also known as...

A unit that introduces some simple computer programming techniques in an informal manner to students in a traditional classroom. The mathematical topic included in the unit is the area of plane figures. Recommended for...

Some math teachers find themselves confronted by students who ask, "Why do we have to learn this?" or "When am I going to use it?" These are vexing questions for sure, and one suggestion might be to incorporate the...

An introduction and a guide to trigonometry, with hints and answers to exercises, and Java applets as illustrations. Contents include applications of trigonometry, angle measurement, chords, sines, cosines, tangents and...

Download trial software for teaching electricity, trigonometry and electronics. Qualified teachers can request a free trial CD.