Learn how the reverse COUNTIFS method can simplify data checks, save time, and enhance your Excel skills with binary outputs.

Have you ever grouped data in Excel only to find your months sorted alphabetically instead of chronologically? It’s a frustrating quirk of the GROUPBY function, one that can turn a clean dataset into ...

In this Deep Dive episode, investigators explain how math and frequency analysis provided the strongest clues about MH370’s fate. By studying satellite signals, experts traced the aircraft’s likely ...