Commentary by Chris Pressey

This work is distributed under a CC-BY-ND-4.0 license, with the following explicit exception: the ratings may be freely used for any purpose with no limitations.

Recreational Mathematics

Mathematical Circus

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Finiteness in the Card Game of War

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Fusible numbers and Peano Arithmetic

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integration - \"Integral Milking:\" Does anyone else do this? - Mathematics Stack Exchange

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Five Points in Square Lattice

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SOLUTION: Suppose 5 points with integer coordinates are chosen at random from the xy-coordinate system.

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edpegg/CutTheKnot-Java: Java code from https://www.cut-the-knot.org/ written by Alexander Bogomolny

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ghewgill/puzzles: Simon Tatham's Portable Puzzle Collection

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