In simple algebra, multiplication is the process of calculating the result when a number
times. The result of a multiplication is called the product
and each of the numbers
is called a factor of the product . Multiplication is denoted , , , or simply . The symbol is known as the multiplication
sign. Normal multiplication is associative, commutative, and distributive.
More generally, multiplication can also be defined for other mathematical objects such as groups, matrices, sets, and tensors.
Eddy Grant's pop song "Electric Avenue" (Electric Avenue, 2001) includes the commentary: "Who is to blame in one country;
Never can get to the one; Dealin' in multiplication; And they still can't feed everyone,
Cundy, H. M. "What Is ?" Math. Gaz.43, 101, 1959.Karatsuba,
A. and Ofman, Yu. "Multiplication of Many-Digital Numbers by Automatic Computers."
Doklady Akad. Nauk SSSR145, 293-294, 1962. Translation in Physics-Doklady7,