Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Gone are the days of searching for high-quality graphics on the web and worrying about permissions, copyright, and royalties.

Apple Numbers isn't as popular as Excel, but it’s a powerful spreadsheet application that offers all the essential features you’d expect. If you're thinking about making the switch, here are some ...

A roundup of the most-read Carolyn Hax columns of 2025 includes a woman’s birthday obsession, a flight-tracking in-law and a petty inheritance decision. Tensions can run high during the holidays.

At the upcoming Visual Studio Live! Las Vegas developer conference, SQL expert Denny Cherry will share essential indexing ...