Here are two textbooks for learning the basics of calculus, written in Japanese! There appears to be no writing inside. I'm selling them because I hardly used them! - Title: Basic Calculus - Authors: Naoki Matsumoto, Katsuhiko Hashimoto (co-authors) - Publisher: Gakujutsu Tosho Shuppansha - Language: Japanese - Number of books: 2 - Condition: Good Thank you for looking.