Excerpt from Martin's Equation Tables: Designed to Furnish Merchants, Manufacturers and Other Business Men, With an Accurate Set of Calculations for Averaging Accounts and Enabling the Book-Keeper to Perform, With Great Facility and Despatch, What Has Hitherto Been a Tedious Process in the Sci Having six or eight hundred accounts upon the Ledger, each of which at short periods required to be averaged, he found that it took up a large portion of his time in working equations, and the idea occurred to him that possibly some shorter method of averaging accounts than the one usually practiced, might be discovered, or that a set of Tables could be constructed which would greatly facilitate the process. 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.