When writing formulas in Excel, SUM and VLOOKUP are staples for beginners. But since Excel has over 400 functions, it's helpful to know more of the extremely useful ones, especially when looking to ...
If you’ve ever built a running total in Excel, you’ve probably written something like {=SUM(A$1:A2)} and dragged it down the column again and again. It’s a simple enough approach—until your dataset ...