The study of analytic geometry has long been a foundational component of mathematical education, and this classic text by Charles Herschel Sisam and Virgil Snyder remains one of the most thorough and lucid treatments of the subject available. In clear and accessible prose, the authors offer a detailed exploration of the key concepts and techniques that underlie analytic geometry, including vectors, planes, and points, as well as the applications of these principles in fields ranging from physics and engineering to economics and computer science. An essential reference for students, teachers, and anyone interested in the beauty and power of mathematics. 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.