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Diophante.fr

Welcome to Diophantus math recess! All fans of logic puzzles, mathematicians specializing in knots Gordiens and other games, are invited to play with their passion on this site dedicated to Greek mathematicians from the fourth century AD.

Strong Points

More than 500 issues sorted by theme (arithmetic and algebra, squares and magical figures, cryptarithmes and coded operations, geometry and trigonometry, logic and autoreferences, crossword numbers, probability, graphs and circuits, routes optimal game), and depending on the level of difficulty, but also rebuses, riddles and puzzles, and illustrated problems.

Weak Points

It is true that Diophante.fr is not strictly speaking a High Bandwidth, but we could not miss out on this virtual temple of logic.