Definition of dray. : a vehicle used to haul goods; especially : a strong cart or wagon without sides.
The main difference between an equation and a function is the fact that an equation usually deals with a single input, whereas, a function can have numerous inputs. In mathematics, an equation is used to denote the equality between two expressions.
Expression - Phrase, Equation - Sentence. If you've searched the topic equation vs. expression on the net & found this page, you will probably read the following four items as mostly the same. Ten is five less than a number. A number is less than five. a number less than five.