This book "Mathematics in Material Science" consists of three components, namely, material science, mathematics, applications. It begins with an introduction to material science. It describes the types of mathematics involved in material science. As a particular case mathematics involved in nanotechnology is described. Some basic simulations required for material science are described. This book is not a highly technical book. This book would be helpful to researchers as well as graduate students who want to know about the role of mathematics in material science.