The product is a 2nd edition paperback textbook titled “Differential and Integral Calculus” from the Schaum’s Outline Series by Frank Ayres, Jr. Published by McGraw-Hill Book Company in 1965, this advanced-level mathematics textbook covers the subject area of Calculus. With a total of 378 pages, this textbook is designed for adult education and further education students looking to deepen their understanding of differential and integral calculus concepts.