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

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

Ever since Microsoft introduced Python in Excel, I have treated it as a ‘someday’ project. I knew Python integration was the ...

Imagine Jo: Everyone in Jo's life recognizes her as an outstanding problem solver. She's the type of person who seems capable of almost anything. Jo excels at intuitive problem-solving. Over her life, ...

Ukrainian President Volodymyr Zelenskyy said Monday that the suggested legal recognition of Russian sovereignty over captured territory in the east of his country remained a "main problem" in ...

Aimee Picchi is the associate managing editor for CBS MoneyWatch, where she covers business and personal finance. She previously worked at Bloomberg News and has written for national news outlets ...

If you’re looking for some real talk, there’s probably no reason to ask ChatGPT. Thanks to the web-scraping-for-good powers of the Internet Archive, The Washington Post got hold of 47,000 ...

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When I first started working with multi-agent collaboration (MAC) systems, they felt like something out of science fiction. It’s a group of autonomous digital entities that negotiate, share context, ...

Cognitive struggles are climbing across the U.S., especially among young and economically disadvantaged adults. Rates of self-reported cognitive disability nearly doubled in people under 40 between ...

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