High Quality Content by WIKIPEDIA articles! In mathematics, a mathematical coincidence can be said to occur when two expressions show a near- equality that lacks direct theoretical explanation.A mathematical coincidence often comprises an integer, and the surprising (or "coincidental") feature is the fact that a real number is close to a small integer; or, more generally, to a rational number with a small denominator.Given the countably infinite number of ways of forming mathematical expressions using a finite number of symbols, the number of symbols used and the precision of approximate equality might be the most obvious way to assess mathematical coincidences; but there is no standard, and the strong law of small numbers is the sort of thing one has to appeal to with no formal opposing mathematical guidance.

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