The product is a vintage Schaum’s Outline of Theory and Problems of Differential and Integral Calculus textbook by Frank Ayres, Jr., Ph.D. Published in 1950 by Schaum Publishing CO., this paperback book contains 974 solved problems and explanations in English language. This textbook series is designed for adult and further education levels, offering a comprehensive and detailed approach to the subject area of Mathematics and Calculus. With its beginner and intermediate level content, this textbook is a valuable resource for those looking to deepen their understanding of differential and integral calculus concepts.