A learning reference book that uses illustrations to explain the basics of differential and integral calculus in an easy-to-understand way. - Title: A Book That Makes Differential and Integral Calculus Easy to Master - Author: Shuzo Manji - Illustrations: Illustrated diagrams - Price: 1200 yen - Contents: Explains math problems such as how to find the slope of a tangent line Thank you for looking. From a quick glance, there are no markings (please forgive any oversight). Please understand that this is a used item.