Logarithms are a convenient way to express large numbers. Before the invention of calculators, the only alternative to slide rules was to use tables of logarithms. Some important formulae, also called ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This paperback book is part of the ...

Google's calculator function is far more powerful than most people realise. As well as doing basic maths (5+6 or 3*2) it can do logarithmic calculations, and it knows constants (like e and pi), as ...