determines is a form of:

Logarithm



noun
1.
(a number showing the power to which a certain fixed number (the base) must be raised to yield a specified number, a method of reducing arithmetical calculations to a minimum by substituting addition and subtraction for multiplication and division) មេជំរឿន
ENGLISH MEANING
noun
1.
One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550-1617), to abridge arithmetical calculations, by the use of addition and subtraction in place of multiplication and division.