Look up difference or différence in Wiktionary, the free dictionary. Difference commonly refers to: Difference (philosophy), the set of properties by which...

Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points...

Difference in differences (DID or DD) is a statistical technique used in econometrics and quantitative research in the social sciences that attempts to...

finite difference is a mathematical expression of the form f (x + b) − f (x + a). If a finite difference is divided by b − a, one gets a difference quotient...

A difference engine is an automatic mechanical calculator designed to tabulate polynomial functions. It was designed in the 1820s, and was first created...

In color science, color difference or color distance is the separation between two colors. This metric allows quantified examination of a notion that formerly...

the difference is a type of puzzle where players must find a set number of differences between two otherwise similar images. Spot the difference games...

Method of difference may refer to: The method of finite differences, used in the difference engine One of Mill's methods in inductive reasoning A mathematical...

"A World of Difference" is the twenty-third episode of the American television anthology series The Twilight Zone. You're looking at a tableau of reality...

In mathematics, the symmetric difference of two sets, also known as the disjunctive union and set sum, is the set of elements which are in either of the...