Group Theory
نویسنده
چکیده
The notion of modular arithmetic is related to that of the remainder in Euclidean division. The operation of finding the remainder is sometimes referred to as the modulo operation, and denoted with ”mod” used as an infix operator. For example, the remainder of the division of 16 by 12 is denoted by 16 mod 12; as this remainder is 4, we have 16 mod 12 = 4. The congruence, indicated by ”≡” followed by ”(mod)” means: Given integers n , A and B, the expression A ≡ B (mod n) means that A and B have the same remainders, when they are divided by n .
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