This bar sign is in Chuy's restaurant in Tempe, Arizona.

The bar sign says...

+-----------------------+ | UNDER 21 | | must leave | | bar area | | after 9 P.M. | | Fri. & Sat. | | 18 and over must be | | accompanied by parent | | or guardian | +-----------------------+the numbers are: 21 18 9 the math is: 21 - 18 = sqrt(9) rs42Eval: 21 + 18 + sqrt(9) = 42 * 42 is the "Answer to Life, the Universe, and Everything" rs42Eval: 21 * 18 / 9 = 42 * 42 is the "Answer to Life, the Universe, and Everything" more math: 21 % 18 = sqrt(9) more math: avg(spf(9), spf(21)) = spf(18) observe... spf(n) = the sum of the prime factors of n spf(9) = 3 + 3 = 6 spf(21) = 3 + 7 = 10 spf(18) = 2 + 3 + 3 = 8 the average of 6 and 10 is 8

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

**Created:** 01 January 2009

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