This classic reference work on mathematical tables is an indispensable tool for scientists, engineers, and students. The author provides detailed logarithmic, trigonometric, and other mathematical tables, as well as examples of their use and helpful hints for computation. With its clear explanations and practical advice, this book is a must-have for anyone working with numbers. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.