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Historical Mathematics
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Demonstrations 1  20 of 371
Ramanujan's Strange Formula for Pi
New this week
Tetrahedron Centers
New this month
Mondrian Art Problem
Illustrating Kepler's Conjecture on Sphere Packing
Vega's Tables of Common Logarithms to Seven Decimals
The Klein Configuration
Babylonian Algorithm for Computing Square Roots
Gettysburg!
Marquand's Representation of Boolean Functions
Factorizing Mersenne Numbers
Using Bernoulli's Formula to Sum Powers of the Integers from 1 to n
Lewis Carroll's Diagrams
Duffin's Sequence for Pi
The 196 Algorithm, ReorderandAdd Algorithm, and RATS Sequence in Different Bases
Golomb Rulers and Fibonacci Sequences
Pál Joints
Cassini Ovals
Wheels of Powered Triangles
Rational Distance Problem
Square of Opposition in Aristotelian Logic
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