The Graphical Derivation of Phi

Graph of the solution to phi + 1 = phi * phi

y = x + 1 y = x * x Phi = 1.618... Phi = -0.618...?

Derive Phi Graphically


The Golden Mean

The Golden Mean The Graphical Derivation of Phi Derive Phi Exactly Unfold the Golden Rectangle

Fewer Graphics
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