For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that same cell. But the introduction of dynamic array behavior (in Excel for ...

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?

The SEQUENCE part creates a dynamic list of numbers (1, 2, 3...) that corresponds to the row index. For example, in the fifth ...