

Magic squares have inspired wonder since antiquity. Mathematicians, artists and enthusiasts of every stripe have racked their brains to find forms of magic within a square beyond the "ordinary" classical arithmetic variety.



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can numbers be arranged so perfectly that they produce equal sums in every direction? The challenge is certainly difficult, but construction methods do exist! The magic of arithmetic...

Puzzles have been part of human culture since earliest antiquity. At first, inventing puzzles was bound up with mythology or religion; gradually, it became a purely intellectual game, independent of any purpose or practical application.

Square-grid number puzzles appeal to enthusiasts of recreational mathematics. This selection comes from the "Affaire de logique" column in the newspaper Le Monde.

The world of magic squares is still very much alive and remains an active field of research. Access to computing power has rekindled enthusiasts’ interest in these arithmetical objects. What happens if we try to define a multiplicative form of magic?
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