Henderson's Intellectual And Practical Lightning Calculator (1873)

Henderson's Intellectual And Practical Lightning Calculator is a book written by John Alexander Henderson in 1873. The book is a comprehensive guide to mental arithmetic and provides a variety of techniques and methods for performing complex calculations quickly and accurately. The book is divided into several sections, each covering a different aspect of mental arithmetic, including addition, subtraction, multiplication, division, and fractions. The book includes numerous examples and exercises to help readers practice and improve their mental arithmetic skills. It also includes a section on the use of logarithms, which were a relatively new mathematical concept at the time. Henderson's Intellectual And Practical Lightning Calculator was widely used as a textbook in schools and universities, and it remains a valuable resource for anyone interested in mental arithmetic and mathematics. Overall, Henderson's Intellectual And Practical Lightning Calculator is a highly informative and practical book that provides readers with the tools they need to perform complex calculations quickly and accurately. It is a must-read for anyone interested in mathematics or 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.

JAN-ANDREW HENDERSON has written a number of nonfiction titles as well as fiction for children. "Bunker 10" is his first novel for older readers. He lives in Scotland.