Excerpt from A Concise System of Commercial Arithmetic, Adapted to Modern Practice: With an Appendix, Containing a Series of Queries on Bills and Merchants' Accounts, and a Course of Letters on Business; Also, Duodecimals, Timber-Measuring, Artificers' Computations, and the Square and Cube Root; With Their Application In this work the Tables of weights and measures are given as an Introduction, which renders the work less com plex, and affords a greater facility of reference. 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.