Source: No Hope For the Human Race - Wall Photos
Stashed in: Mother of God!, Interesting
This made the rounds in 2011 and it's making the rounds again.
Don't do it on $26.86 though or you'll look cheap.
It's funnier if you do it on a receipt that's not a round number.
Mother of Pi.
The Amazing Contents of Steve Wozniak's Travel Backpack
You Can't Do Simple Maths Under Pressure
Why Spider-Man Should Just Take the Subway | FiveThirtyEight
Math Homework Just Got Easier
5:02 PM Aug 01 2012