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Ellipse Focus Directrix Eccentricity

Author:Gary Rubinstein

New Resources

Golden Rectangles and Golden Spirals
Morse code visualizer / decoder
centripetal force
Balls in an Urn
Experiments with Transformations in the Plane

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hyp-ell-properties
Traveling Waves, Standing Waves and Reflection
Complex Powers of e
nope
Featured Workshop Presenters (alphabetical order)
Curve 360

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Quadrilaterals
Similarity Transformation or Similarity
Hypothesis Testing
Polygons
Random Experiments

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