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Orton’s Lightning Calculator: And Accountant’s Assistant is a book written by Hoy D. Orton in 1871. The book is designed to help accountants and other professionals who deal with numbers to perform calculations quickly and accurately. It includes a wide range of mathematical formulas and tables that are useful for various calculations related to finance, accounting, and business management.The book is divided into several sections, each focusing on a specific area of mathematics. These sections cover topics such as addition, subtraction, multiplication, division, fractions, decimals, interest, and discounts. The book also includes a section on currency exchange rates, which is particularly useful for international business transactions.One of the key features of the book is its ''lightning calculator'' system, which is designed to help users perform calculations quickly and easily. The system is based on a series of shortcuts and tricks that allow users to perform complex calculations in their heads, without the need for a calculator or other tools.Overall, Orton’s Lightning Calculator: And Accountant’s Assistant is a valuable resource for anyone who needs to perform calculations related to finance, accounting, or business management. Its clear and concise explanations, along with its practical examples and tables, make it an excellent reference for professionals and students alike.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in affordable, high quality, modern editions, that are true to their original work.
