[Ronaldus Magnus]

The only song title I know that is a mathematical expression:

Billy Preston - Nothing from Nothing (leaves nothing)
0 - 0 = 0

[dfwgator]

Then there’s Radiohead’s 2+2=5.

[Kathy in Alaska]

Billy Preston ~ Nothing from Nothing (leaves nothing)

http://www.youtube.com/watch?v=G_DV54ddNHE