Hippias Quadratrix

http://demonstrations.wolfram.com/HippiasQuadratrix/ The Wolfram Demonstrations Project contains thousands of free interactive visualizations, with new entries added daily. Hippias lived in the time of Socrates and was one of the great Sophists. He was a smart and unconventional character who did not accept the preeminence of ruler and compass in geometry. The quadratrix that he proposed solves the problem of trisecting an... Contributed by: Bruno Autin