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Golden Ratio - Flowers
Author:
Chip Rollinson
Ben Sparks made the excellent Numberphile video (above) with a similar applet to the one below. I made a new version that lets the user change more parameters than Ben's applet does.
GeoGebra
New Resources
Joke : give a phone number for a math problem !
רישום חופשי
Vector Function (Linear)
Geometric pattern
Point on a plane
Discover Resources
Simultaneous Equations from Graphs
Baker (1684): using a parabola to solve a biquadratic equation
Exploring Slope of Horizontal Lines
xy^2 + 2x slope field
Discover Topics
Orthocenter
Algebra
Conic Sections
Ratios
Curve Sketching