The LaTeX typesetting system is free, and runs on just about any operating system. It produces book-quality output, and is the best system in the world for typesetting mathematics. This book shows - How to typeset matehmatics beautifully, whether a simple equation or a complex mathematical treatise. - How the sepcial American Mathematical Society (AMS) packages help you typeset your math. - A complete list of math symbols, for easy reference. This book will appeal to anybody using math in professionals as well as college staff and students, in engineering economics, the sciences, statistics, computer science, and of course mathematics.