A 5-book textbook set covering everything from the basics to applications of mathematics. There are no particular markings or writing. These are from the separate answer booklet version that can only be purchased at school. If you wish to purchase separately, please comment. - Set Contents: Mathematics I-A, Mathematics II-A, Mathematics II-B, Mathematics III-B, Mathematics C (5 books total) - Publisher: Sūken Shuppan - Language: Japanese - Condition: Good Thank you for looking.