This is a textbook that carefully explains the basics of mathematics for university entrance exams. ✦Title: Okita's Mathematics I・A: Carefully Explained from the Beginning ✦Publisher: Toshin Books ✦Author: Kazuki Okita ✦Price: 1,200 yen (excluding tax) ✦Contents: Combinations and Probability, Data Analysis, Properties of Integers ✦I have checked all the pages, but I don't think there are any markings or writings. In particular, there are no noticeable folds or damage. ✦Shipping will be via postal mail, so I will package it to minimize damage. However, please understand that there may be some minor wear and tear. Thank you for looking.