Everything You Need to Know about Mathematics for Science and Engineering Updated and expanded with new topics, The Mathematics Companion: Mathematical Methods for Physicists and Engineers, 2nd Edition presents the essential core of mathematical principles needed by scientists and engineers. Starting from the basic concepts of trigonometry, the book covers calculus, differential equations, and vector calculus. A new chapter on applications discusses how we see objects "mathematically" with the eye, how quantum mechanics works, and more. A Convenient, Student-Friendly Format Rich with Diagrams and Clear Explanations The book presents essential mathematics ideas from basic to advanced level in a way that is useful to both students and practicing professionals. It offers a unique and educational approach that is the signature style of the author's companion books. The author explains mathematical concepts clearly, concisely, and visually, illustrating how scientists use the language of mathematics to describe and communicate physical principles. Be sure to check out the author's other companion books: The Materials Physics Companion, 2nd Edition The Physics Companion, 2nd Edition The Electronics Companion: Devices and Circuits for Physicists and Engineers, 2nd Edition The Chemistry Companion