These trespassing signs are at Fuller Elementary School in Tempe, Arizona.

The trespassing signs say...

+-----------------------------------+ | Motor Vehicles, Dogs, Horses, | | Golf, Archery, Alchoholic Drinks, | | and Other Hazardous Activities | | on School Grounds | | PROHIBITED | | by Order of the Governing Board | | of Tempe School | | District No. 3 | +-----------------------------------+ +-------------------------------------+ | No Trespassing or Loitering | | ARS 13-2905-A6, 13-2911, 13-1502-A1 | | VISITORS | | are required to check in | | at the school office | | BEFORE | | entering the school premises | | by order of the Governing Board | +-------------------------------------+the numbers are: 3 13 2905 6 13 2911 13 1502 1 A = 2905 % 13 = 6 B = 2911 % 13 = 12 C = 1502 % 13 = 7 the math is: (12 - 3!) * (7 - 1) / 6 = 6 rsPiEval: (12 + 6 + 3 + 1) / (7! / 6) = Pi * 22/7 approximates Pi (3.14) rounded to nearest hundredth rsPhiEval: (1 + sqrt(12 - 7)) / (3 - 6 / 6) = Phi * Phi is the golden ratio and it approximates 1.61803399 rsAgeEval: 6 * 7 + 12 - (6 / 3 + 1) = 51 * TempeHiker was 51 years young when he found these signs. rs42Eval: 6 * 7 + (3 - 1 - 12 / 6) = 42 * 42 is the "Answer to Life, the Universe, and Everything"

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

**Created:** 22 December 2008 (posted 26 December 2008)

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