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Recreational Mathematics
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Demonstrations 101  120 of 1006
Seven Touching Cylinders Puzzle
WireWorld Gates and Gadgets
Octahedra Constructed from Eight Identical Triangles
The Lucas Magic Square
Tetrads
Hinged Dissections: From Three Squares to One
Visualizing the Collatz Conjecture and Some Variants
Benford's Law and Data Spread
Draining of Two Connected Tanks
Iterating the Collatz Map on Real and Complex Numbers
Koman Variations
Reversi
Neat Alternating Tilings of the Plane
Anamorphic Origami
Magic Squares for Odd, Singly Even, and Doubly Even Orders
Solving Decanting Problems by Graph Theory
27 Coins Balance Puzzle
Wheel Graphs with Integer Edges
Mazes on a Cylinder, Including Its Ends
Mazes on Various Map Projections of the Earth
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