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 ...

It's an irrational number that begins with 2.71828 Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall ...

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 ...