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Demonstrations 181  200 of 581
BSpline Curves from Voronoi Polygon Vertices
Tangent on a Logarithmic Spiral
Radius of Curvature of Catenary
The Parabola's Evil Twin: Real and Nonreal Roots of a Real Quadratic
Tangents to a Rotating Ellipse
Multisecting an Angle Using Archimedes's Spiral
Equality of a Segment and an Arc in Archimedes's Spiral
Nicomedes's Mechanism for Constructing a Conchoid
Tangent to a Cycloid
Sine and Cosine in 3D
Trisecting an Angle Using a Conchoid
Quadratics Tangent to a Cubic
Projecting the Tangent Point of an Ellipse
Tangent to a Catenary
Chebyshev Walking Machine
Lemniscate Plotting Device
Spiral of Primes
Elliptical Drive
Constructing Quadratic Curves
Focus and Directrix in a Quadratic Bézier Curve
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