These speed limit and parking signs were found on Center Street in Mesa, Arizona.

The signs say...

+-------+ | Speed | | Limit | | 30 | +-------+ +------------+ | 2 Hour | | Parking | | 8am to 5pm | +------------+ the numbers are: 30 2 8 5 the math is: (30 - 8) / (5 + 2) = Pi observe... 30 - 8 = 22 5 + 2 = 7 22 / 7 approximates Pi truncated to two decimal digits (3.14) non-Pi math: 30 / 5 + 2 = 8

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

**Created:** 26 January 2007

This work is licensed under a Creative Commons License.