Mandelbrot Set

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This is a famous fractal in mathematics, named after Benoit B. Mandelbrot.

It is based on a complex number equation (zn+1 = zn2 + c) which is repeated until it:

 

Original developed by Christian Stigen Larsen 2012
See: https://github.com/cslarsen/mandelbrot-js
Modified by Rod Pierce 2018