Hogben, Lancelot, 1895-1975 Mathematics for the million / by Lancelot Hogben; illustrated by J. F. Horrabin - New, rev. and enl. ed. - New York : W. W. Norton inc., 1943 - xiv p., 1 l., 17-690 p. ; 22 cm. "Answers to some of the exercises": p. 666-669 Subjects--Topical Terms: Mathematics--HistoryCivilization Dewey Class. No.: 510