THE publication of Mr. Dufton's method will, I think, serve a useful purpose. It is a common exercise in schools to plot on squared paper, numbers and their logarithms to the base 2 (see Blame's ...

There was a time not so long ago when calculators weren’t standard equipment for computations. The log() button did not exist, and some math had to be done by hand. John Napier and his logarithm ...

HAVING been asked to give a short course of lectures to working men, which involved an account of logarithms and the slide-rule, I felt that, although not important, there would be some advantage in ...