A Treatise On Mental Arithmetic - Isaiah Steen - Bog

""A Treatise On Mental Arithmetic: In Theory And Practice"" is a book written by Isaiah Steen and first published in 1848. The book is a comprehensive guide to mental arithmetic, providing both theoretical and practical instructions on how to perform arithmetic calculations in one's head. The book covers a wide range of topics, including addition, subtraction, multiplication, division, fractions, decimals, and percentages. It also includes exercises and examples to help readers practice and improve their mental arithmetic skills. In addition to the practical aspects of mental arithmetic, the book also delves into the theory behind it. It discusses the principles of numbers and their relationships, as well as the laws of arithmetic and algebra. Overall, ""A Treatise On Mental Arithmetic"" is a valuable resource for anyone looking to improve their mental math skills or gain a deeper understanding of the principles behind arithmetic calculations.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.