Examples from the Web for logarithm
If the characteristic of a logarithm is negative, Oughtred indicates this fact by placing the - above the characteristic.William Oughtred|Florian Cajori
In July, while at work on logarithm tables, he was overtaken by a sudden fainting fit, evidently of an epileptic nature.Shandygaff|Christopher Morley
The integral part of a logarithm is called the index or characteristic, and the fractional part the mantissa.
To find the logarithm of 2, Briggs raised it to the tenth power, viz.
I always thought you were a sort of calculating machine, who slept on a logarithm table.The Man Who Rocked the Earth|Arthur Train