Excerpt from Treatise on the Principles and Applications of Analytic Geometry<br><br>The following treatise, designed as a text-book upon Analytic Geometry, has been written with the most practical ends in View, and is intended to meet the wants of classes in Scientific and Technological Schools, Colleges and Universi ties. While the needs of the student of Mechanics, Astronomy and Civil Engineering have never been forgotten, it has been found possible to so select the material and to put it in such shape as to adapt the work to the student who pursues the subject merely as a part of a liberal education.<br><br>The prime difficulty the ordinary student meets in the study of analytic geometry is in the use of variables, since with these he has had no previous acquaintance.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.