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Historical Mathematics
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Demonstrations 61  80 of 321
Roman Numeral Calculator
Iterating the Collatz Map on Real and Complex Numbers
Optimizing the Counterweight Trebuchet
CalkinWilf Tree of Fractions
Minimally Squared Rectangles
Nomogram for the Geometric Mean
A Parabola Sieve for Prime Numbers
Dudeney's Proof of the Pythagorean Theorem
Fundamental Theorem of Arithmetic
How Old Were Some Famous Mathematicians?
Generic Euler's Elastica
Equality of a Segment and an Arc in Archimedes's Spiral
Nicomedes's Mechanism for Constructing a Conchoid
Primitive Pythagorean Triples on a Curvilinear Grid Defined by Euclid's Formula
Trisecting an Angle Using a Conchoid
Girih Tiles
OrchardPlanting Problem
Archimedes' Approximation of Pi
abc Conjecture
Newton's Polynomial Solver
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