Logarithms were in use for hundreds of years until mechanical machines were able to calculate larger numbers in the late 19th century, and eventually, computers took over the task in the 20th century.

THERE can be little doubt that much time is lost by students and others who have occasion to make numerical calculations through unfamiliarity with the practical advantages of logarithms. In the ...

THE first portion of this book treats of the way to use logarithms so as to apply no more figures than necessary; the author pointing out that probably one half of the time expended in ...

Also, it’s logarithms we’re talking about here, not the mathematical madness that was required to make this “invisibility cloak.” As for the actual lesson, it’s clearly fantastic.