Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...

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

Excel's UNIQUE function is the modern, non-destructive answer to the mailing list problem. Instead of deleting rows from your ...

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them ...

Numbers in rows tell one story, but charts and graphs reveal patterns you might otherwise miss. Create a simple line graph ...

Learn how to create burndown charts to track project progress, improve team performance, and download free templates to get ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Claudia Winkleman has seen her fair share of murder as host of The Traitors – and with a wardrobe most contestants would kill for, she may want to watch her back. Just three episodes into the fourth ...

Learn how to invest in stocks, including how to select a brokerage account and research stock market investments. Many, or all, of the products featured on this page are from our advertising partners ...

Sarah D. Sparks is a reporter and data journalist for Education Week who covers the teaching profession and pedagogy for Education Week. She has covered education research and the science of learning ...

Kate Abnett covers EU climate and energy policy in Brussels, reporting on Europe’s green transition and how climate change is affecting people and ecosystems across the EU. Other areas of coverage ...