Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Have you ever found yourself tangled in a web of complex Excel formulas, trying to make sense of sprawling datasets with traditional functions like SUMIFS? Many of us have been there, struggling with ...

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...