Robert Zemeckis (born May 14, 1952) is an American director and writer. Born in Chicago, Illinois, Zemeckis attended the University of Southern California for film studies. Propelled forward after winning a student Academy Award for his film, A Field of Honor, he went on to write and direct many films which have won numerous awards.
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Note that when computing roots numerically, the usual form of the quadratic formula is not ideal. See Loss of significance for ...