What does " %" mean in Ruby please?

Answer 1

3%2 is 1
2%3 is 2

Answer 2

Isn't 2%3 == 2?

Answer 3

it means module, the rest of the division.

(2%3==1)
//true

Answer 4

it is used for modulus. it returns the remainder
ex. 7℅2 = 1
since when we devide 7 by 2 it leaves 1 as remainder.