Recognizing when to use the modulus operator

Question

I know the modulus (%) operator calculates the remainder of a division. How can I identify a situation where I would need to use the modulus operator?

I know I can u

Answer 1

There are many instances where it is useful.

If you need to restrict a number to be within a certain range you can use mod. For example, to generate a random number between 0 and 99 you might say:

num = MyRandFunction() % 100;