Reprint of the original, first published in 1871.

Reprint of the original, first published in 1857.

Excerpt from A Key to the Introduction to the National Arithmetic, Exhibiting the Operation of the More Difficult Examples in That Work: For the Use of Teachers Only Entered according to Act of Congress, in the year 1844, by benjamin greenleaf, in the Clerk's 0300 of the District Court of the District of Massachusetts. 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.

Reprint of the original, first published in 1872. The publishing house Anatiposi publishes historical books as reprints. Due to their age, these books may have missing pages or inferior quality. Our aim is to preserve these books and make them available to the public so that they do not get lost.