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Historical Mathematics
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Demonstrations 21 - 40 of 434
Small Hadamard Matrices
Ruler and Compass Construction of a Square with Doubled Area
Magic Zero Hexagons
Mondrian Art Problem
Numbers as Sets
Calkin-Wilf Tree of Fractions
Egyptian Multiplication
Volume of Square Pyramidal Frustum
Four-Point Parabolas
Archimedes's Method for Determining the Area of a Circle
Archimedes's Spiral and Its Tangents
Wichmann Columns
Fry's Geometric Demonstration of the Sum of Cubes
Plain Bob Bell Ringing
2. Nets for Cowley's Dodecarhombus
Edwards's Solution of Pendulum Oscillation
Constructing an Ellipse with a Tusi Couple
Wichmann-like Rulers
Gauss on Vega's Thesaurus Logarithmorum Completus
Vega's Tables of Common Logarithms to Seven Decimals
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