The 11 Most Beautiful Mathematical Equations

Mathematical equations aren't just useful — many are quite beautiful. And
many scientists admit they are often fond of particular formulas not just for
their function, but for their form, and the simple, poetic truths they contain.

While certain famous equations, such as Albert Einstein's E = mc^2, hog most of
the public glory, many less [...]
Source:
http://www.ezonearticle.com/2013/02/03/the-11-most-beautiful-mathematical-equations/