Introduction to Calculus for Science and Engineering Edited by Kanji Ichihara and Tadashi Kurisu Price: 1500 yen + tax Calculus Exercises for Science and Engineering Edited by Masatoshi Fukushima and Takaaki Yanagawa Price: 2000 yen + tax There are minor scratches on the cover, but no noticeable damage. Please refrain from purchasing if you are concerned about the condition, as these books have been stored by a private individual. Instant purchase is welcome!