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?

You’ve used SUM for years. It adds numbers, does its job, and you probably don’t think twice about it. But while you’ve been clicking through filters and building messy helper columns, Excel has been ...

Let’s be honest—Excel can feel like a double-edged sword. On one hand, it’s an incredibly powerful tool for organizing data, crunching numbers, and making sense of the chaos. On the other, mastering ...