If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will return 1. In this guide, I'll show you how you can use it to solve real-world problems.

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?