Henry's article is very nice. (I just heard a lecture on the solutions of the cubic and quartic polynomials on Tuesday evening.) Here's a nice reference to the fractal nature of applying Newton's method to solving polynomials. It's 61 pages, but has some nice color plates. < ftp://ftp.comlab.ox.ac.uk/pub/Documents/techreports/NA-96-14.ps.gz >. --Dan _____________________________________________________________________ "It don't mean a thing if it ain't got that certain je ne sais quoi." --Peter Schickele