Biography

François Nicole, who was born in Paris on Dec. 23, 1683, and died there on Jan. 18, 1758, published his Traité du calcul des différences finies in 1717; it contains rules both for forming differences and for effecting the summation of given series. Besides this, in 1706 he wrote a work on roulettes, especially spherical epicycloids; and in 1729 and 1731 he published memoirs on Newton's essay on curves of the third degree.