Justin Mullins is an artist who considers mathematic equations so beautiful they can properly be called art. To this end, he’s created framed prints of famous equations. While many would consider this to be geeky beyond compare, I find it strangely fascinating.
The print shown on his home page, appropriately titled Beauty, is my favorite equation (if one can have a “favorite”). The relationship between one, zero, pi, e, and the imaginary base i is perhaps the most sublime of all equations: