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Recreational Mathematics
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Demonstrations 1  20 of 1176
The Set of Sets in SET
New this week
Center of a Golden Rectangle
New this month
2. Extending the Rationals with the Square Root of Five
Prismatic Dominoes for the Blind
Wichmann Columns
Plain Bob Bell Ringing
Search for Soma Cube Solutions
Patterns from de Bruijn Sequences
Kaleidocycles
Sherlock Holmes's Dancing Men Cipher
Multiple Nets for a Cube
Three Interpenetrating Golden Bricks
Center of Gravity of an LShaped Sheet and the Golden Ratio
Matching the Faces of a Polyhedron Shown as a Map Projection to a Net
Odd One Out 3
A Sketch of American Gothic
Deforming Nets of Polyhedra
Odd One Out 4
Sparse Rulers
Observed Distribution of Random Chord Lengths in a Circle
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