Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
This video explains how to multiply numbers in Excel using the correct formulas and methods for accurate calculations. It ...
Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...
Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.