Question

What does '%' do?

Answer 1

gives the remainder
5%2=1
4%2=0

Answer 2

oh, thanks alot man

Answer 3

It is called the modulo operator.

Given two positive numbers, a (the dividend) and n (the divisor), a modulo n (abbreviated as a mod n) is the remainder of the Euclidean division of a by n. For instance, the expression "5 mod 2" would evaluate to 1 because 5 divided by 2 leaves a quotient of 2 and a remainder of 1, while "9 mod 3" would evaluate to 0 because the division of 9 by 3 has a quotient of 3 and leaves a remainder of 0; there is nothing to subtract from 9 after multiplying 3 times 3. (Notice that doing the division with a calculator won't show you the result referred to here by this operation, the quotient will be expressed as a decimal fraction.)

Source: http://en.wikipedia.org/wiki/Modulo_operation

Answer 4

this id the modulus operator..This gives remainder..not to be confused with '/'.