Textbook for learning the basics of mathematics. Title: New Course Chart-style Mathematics I + A from Basics Content: Explains basic mathematical formulas and solutions Publisher: Kenkyusha Publishing Price: 1950 yen + tax Thank you for viewing. There are some parts with line markers. I think it will not interfere with solving the problems. Also, as shown in the photo, the parts where I wrote my name after the answers have been blacked out. Please refrain from purchasing if you are nervous, as it is stored by an amateur.