This road sign is from Germany and it was submitted by SCC student Sabrina during the fall 2009 semester.

The road sign says...

+--------------------+ | A12 Westervoort 2 | | A28 Duieven | | Centerpoort | | 300 m | +--------------------+the numbers are: 12 2 28 300 rsAgeEval: (300 % 28) * 2 + 12 = 52 * MathBabbler was 52 years young when he found this equation. rs42Eval: summation(12, 28) - 300 + 2 = 42 * 42 is the "Answer to Life, the Universe, and Everything" off-by-one math: 300 / 12 + 2 = 28 - 1 off-by-one BARSfunc math: defactorial(sqrt(12 * 28 - 300)) = 2 + 1 observe... 12 * 28 = 336: 336 - 300 = 36; sqrt(36) = 6 defactorial(6) = 3 because 3! = 6 off-by-one BARSfunc math: spf(300) - spf(12) + 2 = spf(28) + 1 observe... spf(n) = the sum of the prime factors of n spf(12) = 7; spf(28) = 11; spf(300) = 17 playground... 300 + 12 * 2 = 324; sqrt(324) = 18

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

**Created:** 11 December 2009

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