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

Excel files bloat from ghost used ranges, formatting, pivot caches, and images. These quick fixes massively cut the size of ...

Using the example in our spreadsheet or a similar spreadsheet, highlight all the revenue numbers in the sheet and then in the ...

A study revealed that Gryffindors and Slytherins are actually better suited for entrepreneurship than a traditional 9-to-5 ...

The differences between fact and opinion, objectivity and subjectivity, news and commentary. The roles of news reports and opinion pieces and the benefits of reading both. How to tell when both ...

By combining To Go Special with Ctrl+Enter, you can fill thousands of empty cells with the correct data in seconds. First, ...

The 33-year-old, who works at a Leeds firm of stockbrokers, said he spent time over Christmas fine tuning his skills. He said ...

In a hangar-like building in Louisville, Colorado, outside Denver, crumpled plastic bottles, cans and other scraps were strewn across a giant conveyor belt. But you know what they say about one man’s ...

Have you noticed J.Crew’s ineffably cool evolution of late? Chris Black, founder of consultancy Done to Death Projects, is, in part, to thank. Black is an ideas man. “All I’ve ever been able to offer ...

We’ve all been there. You want to wear your favorite white T-shirt and best-fitting jeans, but both are in the laundry hamper. So, you decide that it won’t hurt — just this once — to toss them in the ...

Stop me if you’ve heard this one before. An aspiring chemist goes to college, realizes she’s not good at chemistry, and bombs her dissertation. She takes a class in standup comedy and decides the best ...