The act or process of equating two or more things, or the state of those things being equal (that is, identical).
An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine a particular quantity.
A small correction to observed values to remove the effects of systematic errors in an observation.
The amount, number or rate of something, regarded as part of a total of 100; a part of a whole.
A share of the sales, profits, gross margin or similar.
Benefit or advantage.