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 ...

👉 Learn how to evaluate natural logarithms. Recall that the logarithm of a number says a to the base of another number say b ...

I HAVE recently been considering how best the theory of logarithms could be presented to a beginner without such a paralysing opening as used to be the practice (see Todhunter). I do not know what is ...

👉 Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To ...