""A Treatise On Mental Arithmetic: In Theory And Practice"" is a book written by Isaiah Steen, originally published in 1848. The book is a comprehensive guide to mental arithmetic, covering both theoretical concepts and practical techniques. It is designed to help readers improve their mental calculation skills and become more efficient in solving mathematical problems without the use of a calculator or other external aids. The book is divided into several sections, each of which covers a different aspect of mental arithmetic. The first section provides an overview of the principles of mental arithmetic and introduces basic concepts such as addition, subtraction, multiplication, and division. The subsequent sections build on this foundation, exploring more advanced topics such as fractions, decimals, and percentages. Throughout the book, Steen provides numerous examples and exercises to help readers practice and reinforce their understanding of the material. He also provides tips and strategies for solving problems quickly and accurately, such as using mental shortcuts and estimation techniques. Overall, ""A Treatise On Mental Arithmetic: In Theory And Practice"" is a valuable resource for anyone looking to improve their mental calculation skills. It is written in clear, concise language and is suitable for both beginners and more advanced learners. Whether you are a student, teacher, or simply someone interested in mathematics, this book is sure to provide you with valuable insights and techniques for mastering mental arithmetic.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.
