Instruction for Using a Slide Rule

"Instructions for Using a Slide Rule" by W. Stanley is an educational book from the mid-1900s that serves as a detailed guide for mastering the slide rule, a crucial calculating tool used before electronic calculators were common. The book explains how to use the slide rule for different math problems, like multiplication, division, finding square roots, and cube roots. It teaches the different parts of the slide rule and gives step-by-step instructions on how to do math problems with it, starting with easier calculations and moving to more complex ones, such as finding the area and perimeter of circles. Throughout the book, Stanley gives many examples for the reader to practice with, solidifying the lessons he presents and aims to empower the reader to build a strong understanding of the slide rule and recognize its usefulness in both math and real-world engineering situations.