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

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

It's not surprising many tech CEOs would have screen time limits for their kids. But many tech execs have also shared other tidbits over the years about their approach to parenting. Here's a look at ...