Pure mathematics is the foundation for some of the most important technological advancements of the modern era. In this classic text, Edward Atkins provides a comprehensive overview of the principles and practices of pure mathematics. Topics covered include algebra, trigonometry, and the calculus of variations. The book is designed to be accessible to readers with a background in basic algebra and geometry, and includes numerous examples and exercises to aid in understanding. A must-have for anyone interested in STEM education or mathematics education in general. 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.