Addition

Addition (or summation) is one of the basic operations of arithmetic. In its simplest form, addition combines two numbers, the augend and addend, into a single number, the sum. Adding more numbers can be viewed as repeated addition. In the case of repeated addition the augend is the first addend. (Repeated addition of the number one is the most basic form of counting.) By extension, the addition of zero numbers, one number, or infinitely many numbers can be defined.

Related Topics:
Operation - Arithmetic - Number - One - Counting - Can be defined

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Addition can also be defined for mathematical objects other than numbers — for example, matrices or polynomials. Regardless of the nature and number of objects being added, the individual constituents of a sum typically are called summands or terms. (This is to be distinguished from factors, which are multiplied.)

Related Topics:
Matrices - Polynomial - Multiplied

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