This distance guide sign is attached to Crystal Pier in Pacific Beach, California.

The distance guide sign says...

+------------------------+ | Robert Martin Levin | | Sports Memorial | | "In memory of the many | | hours we ran together" | | Joggers Log | | From Crystal Pier To: | | Tower 10 1/4 | | York Ct. 1/2 | | Austin Ct. 1 | | El Carmel 1 1/4 | | Jersey Ct. 1 1/2 | | Tower 2 2 | | End of Sea Wall 2 1/2 | | Jetty 2 3/4 | +------------------------+the numbers are: 10 (1/4) (1/2) 1 (1 1/4) (1 1/2) 2 2 (2 1/2) (2 3/4) A = 1/2 - 1/4 = 1/4 = 0.25 B = 2 3/4 - 2 1/2 = 1/4 = 0.25 C = 1 1/2 - 1 1/4 = 1/4 = 0.25 the math is: 2 / A - 10 * (B + C) - 1 = 2 2 / 0.25 - 10 * (0.25 + 0.25) - 1 = 2 rsPiEval: (10*2+2)/((1/(1/4)/(1/2))-(2 3/4+1 1/4)/(2 1/2+1 1/2)) = Pi * 22/7 approximates Pi (3.14) rounded to nearest hundredth rsPhiEval: ((2 3/4+1 1/4)/(2 1/2+1 1/2)+sqrt(10/2))/sqrt(1/(1/4)/(1/2)/2) = Phi * Phi is the golden ratio and it approximates 1.61803399 rsAgeEval: ((2 1/2+1 1/2)+(2 3/4+1 1/4))*10/2+2*(1/(1/4))+(2/(1/2)) = 52 * RoadHacker was 52 years young when he found this sign A = 2 1/2 + 1 1/2 = 4 B = 2 3/4 + 1 1/4 = 4 rsPiEval: 2 + 1 + (A / (1/4) - B * (1/2)) / 10^2 = Pi 2 + 1 + (4 / (1/4) - 4 * (1/2)) / 10^2 = Pi * 3.14 is Pi rounded to the nearest hundredth

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

**Created:** 29 September 2009 (posted 15 October 2009)

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