If you needed to find 27 mod 6, divide 27 by 6. for two integers a and b: a mod b = r. in writing, it is frequently abbreviated as mod, or represented by the symbol %. where a is the dividend, b is the divisor ( or modulus), and r is italiane the remainder. the modulo operation finds the remainder of a divided by b. pdf definition: modulo. how to do a modulo calculation. the modulus is the remainder of the euclidean division of one number by another. % is poste called the modulo operation. modulo is a math operation that finds the remainder when one integer is divided by another. 27 ÷ 6 = 4 with a remainder of 3; 27 mod 6 = 3; example modulo calculation. in your media example: 5 divided by giacenza 7 gives 0 but it remains 5 ( 5 % 7 = = 5 ). here, 9 / 4 = 2 and 9 % 4 = 1. let \ ( m\ ) \ ( \ in\ modulo richiesta giacenza media poste italiane pdf ) \ ( \ mathbb{ z_ + } \ ). \ ( a\ ) is congruent to \ ( b\ ) modulo \ ( m\ ) denoted as \ ( a \ equiv b ( mod \, n) \ ), if \ ( a\ ) and \ ( b\ ) have the remainder when they are divided by \ ( n\ ), for \ ( a, b \ in \ mathbb{ z} \ ). to do this by hand just divide two numbers and note the remainder. for instance, 9 divided by 4 richiesta equals 2 but it remains 1.