These parking signs are at the train station in Naperville, Illinois.

The parking signs say...

+-------------+ +-------------------+ | No Parking | | 9 Hour Parking | | Stopping or | | 8 am-5 pm | | Standing | | Mon-Fri | | 6-8 am | | Remember Your | | 5-7 pm | | Space Number | +-------------+ | Pay $2 at Station | +-------------------+the numbers are: 6 8 5 7 9 8 5 2 the math is: 8 - 6 + 7 - 5 = 9 - 8 + 5 - 2 * left-side sign equals right-side sign more math: (9 + 8 + 8) / 5 / 5 + 7 - 6 = 2 more math: 9 * 8 - 8 * 7 - 5 - (6 / 2)! = 5 more math: (5 * sqrt(9 + 8 + 8))^(7 - 6) = 5^2 more math: (9 - 8) + (8 - 7) + (6 - 5) + 2 = 5 * ()s used because that's how MathBabbler mentally evaluated it rsPhiEval: ((9 - 8) + (8 - 7) - (6 - 5)) + sqrt(5)) / 2 = Phi * Phi is the golden ratio and it approximates 1.61803399 rsPiEval: ((8 * 7) - 9 - 5 / 5 - 2) / (8 + 6) ~= Pi * 22/7 approximates Pi rounded to nearest hundredth (3.14) * 3.1415926535897932384626 rs21Eval: 7 * (5 - 2) * (6 + 5 - 9 - 8 / 8) = 21 * Illinois was the 21st state admitted to the Union. rs37Eval: 9 + 8 + 8 + 7 + 6 - (5 / 5)^2 = 37 * Whyrs37Eval? 37 Heaven @ http://thirty-seven.org rs42Eval: (6 + 5 + 5 * 2) * ((9 - 8) + (8 - 7)) = 42 * 42 is the "Answer to Life, the Universe, and Everything" rsAgeEval: 9 + 8 + 8 + 7 + 6 + (5 + 5) * 2 = 58 * MathBabbler was 58 years young when he found these parking signs. off-by-one rsCardinality: (9 - 8) + (8 - 7) + (6 - 5) + (5 - 2)! = 8+1 * There are eight numbers in these parking signs.

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

**Created:** 12 January 2016

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