A logarithm is a mathematical operation that determines how many times a certain number, called the base, is multiplied by itself to reach another number. Because logarithms relate geometric ...

Sir Charles Boys, in his younger days, met with the first fate, and for a long time the natural logarithm seemed to him utterly artificial. Now he has found a direct line of approach, and he has ...

We humans seem to be born with a number line in our head. But a May 30 study in Science suggests it may look less like an evenly segmented ruler and more like a logarithmic slide rule on which the ...