Excerpt from An Elementary Treatise on Arithmetic, in Theory and Practice: Adapted to the Instruction of Youth in Schools and Academies in the United StatesBut here it is to be observed, that the facility with which we can designate the highest numbers, and perform ever arithmetical calculation on them, has occasioned an insenss bility to the enormous magnitude of the numbers of which we speak. One billion is very easily mentioned. And easily designated by a unit followed by nine ciphers thus, The following consideration may, perhaps, assist in enlarging the ideas of the pupil on this subject to count a billion, at one per second, would require nearly thirty-two years.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.