A couple of years back I put a good bit of work into the Wikipedia article Greek letters used in mathematics, science, and engineering. It discusses the Greek letters’ pronunciation, typography, and the concepts they are used to represent. I wish I had a resource like this in engineering school because I would sometimes forget what a letter was called and often wonder if I was using the prefered letter for a variable or parameter in my equations. Here’s another link to A Sky and Telescope How To with an English audio pronunciation guide of the Greek letters.
Greek Letters Used in Mathematics, Science, and Engineering November 18, 2010