Intellectual Arithmetic is a comprehensive guide to the science of numbers, written by Charles Davies. The book offers a detailed analysis of arithmetic, with a focus on mental training and development. It covers a wide range of topics, from basic arithmetic operations to complex mathematical concepts such as algebra and geometry.The book is divided into several sections, each of which covers a different aspect of arithmetic. The first section provides an introduction to the subject, explaining the basic principles of arithmetic and the importance of mental training in developing mathematical skills. The subsequent sections delve deeper into the subject matter, covering topics such as fractions, decimals, percentages, and ratios.Throughout the book, Davies emphasizes the importance of mental arithmetic, arguing that the ability to perform calculations quickly and accurately in one’s head is essential for success in many areas of life, including business, science, and engineering. He provides numerous exercises and examples to help readers develop their mental arithmetic skills.In addition to its practical applications, Intellectual Arithmetic also explores the philosophical and theoretical aspects of arithmetic. Davies discusses the nature of numbers, the role of mathematics in society, and the relationship between arithmetic and other branches of mathematics.Overall, Intellectual Arithmetic is an essential resource for anyone seeking to develop their mathematical skills, whether for practical or philosophical reasons. It is a comprehensive and engaging guide to the science of numbers, written by a renowned expert in the field.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.