The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...
A maths optical illusion is a fascinating trick where numbers, shapes, or patterns deceive our brain into seeing something different from the mathematical reality. These illusions use geometry, ...
Summary The double factorial of n may be defined inductively by (n + 2)!! = (n + 2)(n)!! with (0)!! = (1)!! = 1. Alternatively we may define this notion by the two ...
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