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Historical Mathematics
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Demonstrations 181  200 of 390
Pascal's Angle Trisection
Numbers as Sets
Hippopede of Eudoxus
Mercator's Instructions: The "Organum Directorium"
Areas of the Lens and Two Lunes of Two Intersecting Circles
Collatz Conjecture on a Circle
Area under a Cycloid (II)
Cycloidal Pendulum
Sliding Along a Tautochrone Path
The Interior Angles of a Triangle Sum to Pi
The Fundamental Theorem of Algebra
Primitive Pythagorean Triples 4: Ordered Tree Matrices
Euclid's Construction of a Regular Icosahedron (XIII.16)
Newton Polygon and Branching of Algebraic Curves
The Mayan Calendar
Arecibo Signal Generator
The Spiral of Theodorus
Slide and Swap on Cubic Graphs
Generalized Pythagoras Theorem
Archimedes's Tomb
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