This is a math problem book for the Examination for Japanese University Admission for International Students (EJU). It is a textbook published by Gyochi Gakuen (COACH ACADEMY) and specializes in the "Differential and Integral Calculus" section of Mathematics Course 2. It contains numerous carefully selected problems analyzed from past exam trends, allowing for efficient skill development through categorized training. This book can be widely used for everything from building a solid foundation to a final review just before the exam. Recommended for those aiming for science-related fields in the EJU.