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Ed Pegg, Jr.
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Demonstrations 1  20 of 380
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
Small Hadamard Matrices
Right Tetrahedron: de Gua Theorem
The Tetartoid
Substitution Tilings
GeometricScene Triangle Centers
Primes in the Heegner Fields
Eisenstein Triples
Magic Zero Hexagons
Mondrian Art Problem
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