THE author makes his title, “Quick and Easy Methods of Calculating”—at least, that is all that is in large print on the title-page; but the binder calls it, on the outside of the book, “The Slide-Rule ...
Logarithms come in the form \({\log _a}x\). We say this as 'log to the base \(a\) of \(x\). But what does \({\log _a}x\) mean? The answer is \(4\) because \({2^4 ...
NO practical man ever saw the least difficulty either in the idea of logarithms to a given base or in the use of common logarithms in arithmetical work. But if the practical man becomes inquisitive as ...