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Ed Pegg
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Demonstrations 21  40 of 403
Choe's Hexagon and Cairo Tiling
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 FourPoint 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
Regular Polygons of Edge Length Two
SchrandtUlam Cellular Automata
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