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Focus-Directrix Definition of an Ellipse

Author:Norm Prokup

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Hyperbolic Paraboloid
Some random function
Random Polar Curve (3)
Slope Between 2 Points (Phase 2)
Damped Trochoidal Curve

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projec for math 2.0
Octahedron Creeping String Art
Wallpaper Symmetry Group p1
Parallelogram (pgram)
reflection w/ coordinates

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Square
Linear Functions
Pyramid
Exponential Functions
Parametric Curves

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