Calculus concepts : an informal approach to the mathematics of change / Donald R. LaTorre ... [et al.]. - 2nd ed. - Boston : Houghton Mifflin Co., 2002. - 1 v. (various pagings) : ill. (some col.) ; 27 cm. Includes bibliographical references and indexes. ISBN: 0618121706 (hardcover) Subjects--Topical Terms: Calculus. LC Class. No.: QA303.2 / .C35 2001 Dewey Class. No.: 515