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Historical Mathematics
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Demonstrations 141  160 of 389
Roman Numeral Calculator
Optimizing the Counterweight Trebuchet
CalkinWilf Tree of Fractions
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
Solving a Cubic via the Trisection of an Angle
Trisecting an Angle with a Limaçon
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