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

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

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.

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

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

Use the Sharpe ratio to evaluate an asset's risk vs. return Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of Science in Journalism. She has worked in multiple ...

Carol M. Kopp edits features on a wide range of subjects for Investopedia, including investing, personal finance, retirement planning, taxes, business management, and career development. Monte Carlo ...

Excel now supports IMPORTTEXT and IMPORTCSV functions that load external text and CSV files as dynamic arrays, making it ...

OK, I am being a bit gratuitous – some of them are, in my experience, decent people trying their best to work with some difficult councillors. But you can’t help feeling a bit of schadenfreude given ...

“Getting adequate rest may strengthen your body’s natural immunity,” Cherian says. When you don’t get enough sleep, your immune system may not function as well, making it less able to defend your body ...

For some people with depression, symptoms like fatigue and lack of motivation can make even seemingly simple tasks feel insurmountable. These 5 expert tips can help. Depression is a leading cause of ...