- Title: Fundamentals of Differential and Integral Calculus - Price: 2400 yen (excluding tax) - Authors: Yoichi Iida, Hiromichi Ohno, Aoi Okamoto, Jun Kawabe, Souto Suzuki, Yoshihiko Takano I purchased this book 3 years ago for use in a university lecture. As you can see in the third image, there are some markings. Please consider this item as used.