Use dynamic arrays and tables for fast, scalable cascading drop-down lists in modern Excel.

Replace legacy formulas with MAP, BYROW, BYCOL, SCAN, and REDUCE to build secure, scalable, and automated spreadsheets.

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.

Calculating sales tax on prices is something you don't have to worry about if you use Excel. You can add a formula to the spreadsheet you use for invoices, bills of sale or quotes, and that's the end ...

Microsoft Excel includes quick stats via Analysis ToolPak; mean, median, and standard deviation are generated for selected ...

What do a 20th-century physicist, an 18th-century statistician and an ancient Greek philosopher have in common? They all knew how to extrapolate with incredible accuracy. Columnist Jacob Aron explains ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee ...

On the days that I have legit no idea what to do with my dirty, third-day hair, I can’t help but rely on the easiest hairstyle of all time: a half bun. Sure, it might sound kinda basic, but half-bun ...

I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and recommendations for game consoles and accessories, smart displays, smart glasses, smart speakers, soundbars, TVs, ...

After waiting over a year to hear what the Fourth Circuit would say about statistical sampling in False Claims Act cases, the court of appeals recently chose to keep ...