These street signs were found on Pi Day 2009 in Tucson, Arizona.

The street signs say...

+--------------------+ | 3rd Ave 500 N | ---------------------- | 6th St 400 E | +--------------------+the numbers are: 3 500 6 400 the math is: 6 / 3 = log(500 - 400) rsPiEval: sqrt(500 - 400) * 6 * 3 degrees = Pi radians rs42Eval: sqrt(500 + 400) + 6 + 3! = 42 * 42 is the "Answer to Life, the Universe, and Everything" more math: 6 / 3! = log(sqrt(500 - 400)) number system math: 6 / 3 = sqrt(500 - 400)_{2}

**Creator:** Gerald Thurman
[gthurman@gmail.com]

**Created:** 12 April 2009

This work is licensed under a Creative Commons Attribution 3.0 United States License.