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Ed Pegg Jr
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Demonstrations 1 - 20 of 386
Fundamental Unit
New this month
Wheel Graphs with Integer Edges
Updated this month
Choe's Hexagon and Cairo Tiling
New this month
Packing Equal Spheres in a Sphere
The Real and Imaginary Zero Sets of a Complex Polynomial
Melvyn Knight's Problem
Polyform Explorer
Color Blindness
Sylvester's Four-Point Problem
Biggest Little Polyhedron
Billiard Ball Fredkin Gate
Midsphere Tetrahedra and the Canonical Tetrahedron
Catalan Unrank
Centroid of an Arbitrary Hexagon
Spirals to the Unit Circle from Trigonometric Series
A Diagonal Inequality
Rational Rectangles
Word Squares
Representing an Integer by a Sum of Like Powers
Factorizing Mersenne Numbers
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