I don't understand this completely, but it sure makes a nice image! (The image it links to, http://jdc.math.uwo.ca/roots/polynomial_roots.png , is 90 MB as a png file but over 1 GB as a .tif file, be warned... it's 16263 x 23000 pixels in size!) Is there any way that this calculation, and zooms of it, could be rendered in Fractint?