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Historical Mathematics
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Demonstrations 81  100 of 374
Orbits with Epicycles on a Deferent
Da Vinci's Construction of an Ellipse
Possible Calculation of Logarithms of Cosines in Vlacq's Trigonometria Artificialis
Pocket Calculator
Gauss on Vega's Thesaurus Logarithmorum Completus
Three Proofs of the Pythagorean Theorem
Distributive Property of Multiplication over Addition
Vega's 1794 Table of Common Logarithms
Mrs. Perkins's Quilts
Proofs Using a Quadrature Method of Archimedes
Packing Disks with Consecutive Integer Radii in a Circle
Van der Waerden's Theorem
Unsolved Conjectures about Egyptian Fractions
Reconstruction of de DeckerVlacq's 1628 Table of Common Logarithms
Reconstruction of Vega's First Calculation of Pi
Congruent Numbers
NoThreeinLine Problem
Vega's Calculations of Logarithms
The Euclidean Algorithm and Simple Continued Fractions
Correlating the Mertens Function with the Farey Sequence
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