That was short for logarithm, you know, because I was such a log at arithmetic.
The complement of the logarithm of a sine, tangent, or secant.
It seems that gravitation is not truth, but only the logarithm of it.
To find the logarithm of 2, Briggs raised it to the tenth power, viz.
For example, suppose the logarithm of 543839 required to twelve places.
As well might ...