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Ed Pegg, Jr
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Demonstrations 1  20 of 319
Mondrian Art Problem
Updated this week
Canonical Polyhedra
Updated this week
The Klein Configuration
New this month
Magic Squares and Designs
Updated this month
Four Points Determine a Sphere
Factorizing Mersenne Numbers
Using Bernoulli's Formula to Sum Powers of the Integers from 1 to n
Maximal Unit Lengths in 3D
Bitwise XOR Game
Golomb Rulers and Fibonacci Sequences
Schlegel Diagrams
Wheels of Powered Triangles
Sudoku Logic
Rational Distance Problem
Rectangles Reasonably Close to a Given Area
Triangle Radicals
Sporadic Groups
Biggest Little Polyhedron
Consecutive Smooth Numbers
Pell Equation
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