This road sign is in the Mojave National Preserve in California.

The road sign says...

+------------------------+ | Hole In The Wall | | Campground 7 -> | | Visitor Center 8 -> | | Mitchell Caverns 22 -> | | <- Kelso 23 | +------------------------+the numbers are: 7 8 22 23 the math is: 22 + 8 - 7 = 23 rsPiEval: 22 / sqrt(7 * (23 % 8)) = Pi * 22/7 approximates Pi (3.14) rounded to nearest hundredth rsPiEval: (7 + 23) * (22 % 8) degrees = Pi radians rs42Eval: 22 * sqrt(sqrt(23 - 7)) - cuberoot(8) = 42 * 42 is the "Answer to Life, the Universe, and Everything" rsBARSfunc math: 8 - 7 = log(reverse_digits(23) - 22) * reverse_digits(n) = the digits of n reversed * domain: n must be a prime number * 23 is a prime number; reverse_digits(23) = 32 off-by-one rsStateEval: 22 + 23 - 8 - 7 = 31-1 * California was the 31st state admitted to the Union. off-by-one rsAgeEval: 22 + 23 + 8! / 7! = 52+1 * RoadHacker was 52 years young when he found this road sign.Note: This road sign was found the day after Pi Day 2010.

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

**Created:** 17 March 2010

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