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Calculate the number 4915

NUMBERMANIA: Calculate the number 4915 using numbers [1, 6, 5, 5, 17, 181] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 19

The first user who solved this task is Manguexa Wagle.

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My girlfriend complained

My girlfriend complained I never took her anywhere, so we went to the Grand Canyon so she felt valley dated.

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Indiana Pi Law

In 1897, the Indiana State House legislature passed Bill No.246 which in effect gave 3.2 exactly as the value of pi. It stated, in part, "the ratio of the diameter and circumference [pi] is as five-fourths to four." That is (4 divided by 5/4) = 16/5 = 3.2 exactly. It was introduced by Representative Taylor I. Record, a farmer and lumber merchant, on behalf of a mathematical hobbyist, Dr. Edwin J. Goodwin, M.D. Neither they, nor the House politicians, understood it was mathematically incorrect. That was shortly recognized by Clarence A. Waldo, mathematics professor at Purdue University, who advised the Indiana Senators. They indefinitely postponed the bill on 12 Feb 1897. Pi is, in fact, an irrational number, approx. 3.141592.«

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