Excerpt from A Treatise on the Differential Calculus: With Numerous Examples The present edition has been carefully revised and some; what enlarged. I have examined with attention and interest treatises on the Differential Calculus recently published by eminent mathematicians, in order to discover if the methods of explaining and developing the principles of the subject had gained any real improvement during the last twenty years. I have not however found reason for concluding that I could with advantage make any essential change in this elementary work. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.