This video explains how to multiply numbers in Excel using the correct formulas and methods for accurate calculations. It ...

This video explains how to divide numbers in Excel using proper formulas while avoiding common mistakes that lead to errors.

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

Build a free 2026 Excel budget file with bank import and XLOOKUP categories, so you track spending and savings without manual ...

The original version of this story appeared in Quanta Magazine. In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

We invite you to join our industry specialists for a virtual session on how to use Bloomberg functionality in Excel. This expert-led webinar will focus on equity-related functions relevant to a broad ...

Pamela is a freelance food and travel writer based in Astoria, Queens. While she writes about most things edible and potable (and accessories dedicated to those topics,) her real areas of expertise ...

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 ...