Julia Sets

f(z) = z² + c

Select a value for c: -0.44 + 0.58i 0.4 - 0.36i 0.36 - 0.35i phi-2 + (phi-1)i 0.28 + 0.01i -0.31 + 0.66i -0.8 + 0.156i -0.7269 + 0.1889i 0.285 + 0i 0.45 + 0.1428i -0.70176 - 0.3842i -0.835 - 0.2321i 1-phi circle loop circle 0 circle 1 circle 2 circle 3 circle 4 circle 5 circle 6 circle 7 circle 8 circle 9 circle 10 circle 11 circle 12 circle 13 circle 14 circle 15 circle 16 circle 17 circle 18 circle 19

Click on the plot to set c to the location of the click.
Shift-Click on the plot to zoom in by a factor of 2 at the click's location.
Cmd-Click on the plot to zoom out by a factor of 2 at the click's location.

Click here (and wait a bit) for the Mandelbrot set.