Brain TeasersAlgebra, geometry, matchstick and logic puzzles, paradoxes, optical illusions, IQ tests and logic games.
Interactive Mathematics Miscellany and PuzzlesMathematicians seek knowledge. In search of knowledge, they enjoy themselves tremendously inventing and solving new problems. Interactive Mathematics Miscellany and Puzzles makes an attempt to present mathematics as an evolving and entertaining subject in which an unsuspecting visitor may take an active part.
Maurizio Paolini, Ph.D.Full professor of 'Analisi Numerica', Dept. of Mathematics and Physics, Univ. Cattolica del Sacro Cuore di Brescia.
MathpuzzleA great collection of Fair Dice, Iamonds, Eternity, Mazes, Atom Stability, Dissections, Kites&Bricks, Triangles, Retrograde, Pentagons, Prize Problems, Books, Links, Chaos Tiles, and Partridges by Ed Pegg Jr.
