This road sign is on AZ Hwy-80 in Bisbee, Arizona.

The road sign says...

+-------------------+ | Jct SR 90 9 | | Tombstone 27 | +-------------------+the numbers are: 90 9 27 the math is: sqrt(sqrt(90 - 9)) = cuberoot(27) rs42Eval: 90 / sqrt(9)! + 27 = 42 * 42 is the "Answer to Life, the Universe, and Everything" more math: gcf(27, 90) = 9 more math: 4throot(90 - 9) = cuberoot(27) dup the 9 math: 90 / sqrt(9) - 27 = sqrt(9) dup the 9 math: 27 / sqrt(90 - 9) = sqrt(9)

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

**Created:** 27 April 2009

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