Varberg, Dale E. Calculus / Varberg, Purcell, Rigdon. - 9th ed. - England : Pearson Education Lim., c2014. - ii, 784 p. : ill.; 29 cm. Includes index. ISBN: 9781292039671 Subjects--Topical Terms: Calculus.Engineering mathematicsGeometry, Analytic Dewey Class. No.: 515