The cover has a slight crease, but the inside is clean with no notes written in it. I apologize if I missed anything. This is a collection of exercises on differential and integral calculus, characterized by explanations using diagrams. - Title: Differential and Integral Calculus Exercises - Authors: Riku Yamada, Kentaro Yoshitomi - Publisher: Baifukan - Contents: Exercise collection on differential and integral calculus - Diagrams: Includes diagrams - Condition: No noticeable damage to the cover