For ease of computation, this same sign method actually estimates the set of x values, [xL, xU], corresponding to the linear range. This set of x values will be called the linear domain.
monetary system noun [C]. âº the âsystem used by a âcountry to âprovide âmoney and to âcontrol the âexchange of âmoney. (Definition of monetary system from the Cambridge Advanced Learners Dictionary & Thesaurus Â© Cambridge University Press).
A more general definition is that a currency is a system of money (monetary units) in common use, especially in a nation. Under this definition, US dollars, British pounds, Australian dollars, and European euros are examples of currency.