ALGEBRA A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site commutative Two numbers, x and z, are said to be commutative under addition if x + y = y + x and to be commutative under multiplication if x × y = xy × yx In general, two elements a and b of a set S are commutative under the binary operation (an operation that works on two elements at a time) * if a * b = ab * ba Compare with associative and distributive. Related category    • ALGEBRA Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP