Purcell, Edwin J. 1901- Calculus with analytic geometry / Edwin J. Purcell, Dale Varberg. - 4th ed. - Englewood Cliffs, N.J. : Prentice-Hall, 1984. - xiv, 864 p. : ill. ; 26 cm. Includes index. ISBN: 0131118072 : $33.95 (est.) Subjects--Topical Terms: Calculus. Dewey Class. No.: 515.15 / PUC