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Ed Pegg Jr
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Demonstrations 21  40 of 322
Sporadic Groups
Biggest Little Polyhedron
Consecutive Smooth Numbers
Pell Equation
Pandiagonal Magic Squares of Order Five
Arbitrary Curves of Constant Width
Thomson Problem Solutions
Repeating Continued Fractions
Halving a Triangle
Blood Spatter Trigonometry
Concurrent Diagonals in a 30Gon
Remainder Graphs
Modular Multiplication on a Circle
The Circles of Descartes
AnglePath
Chromatic Spindles
Discrepancy Conjecture
3D UnitDistance Graphs
Interval Visibility Graphs
EarthMoon Problem
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