Microsoft Windows hits 40 years old: A visual walk down memory lane

Windows went on sale 40 years ago. Here's the whole history of the operating system, from Windows 1 to 11 and everything in between.

Stop Guessing ROI : Calculate Payback in Excel Like a Pro

Learn how to calculate payback and discounted payback in Excel with formulas, SCAN, XMATCH, LET, and SWITCH, plus ...
Amazon S3 on MSN

Python integration in Excel is here—See how it works live

ThioJoe demonstrates how Python now works inside Excel with a live example. Rep. LaMonica McIver must face federal charges ...
Mental Floss

Why Do We Call the Seasons Spring, Summer, Fall, and Winter?

The origins of the four seasons’ names aren’t that obvious. Spring, summer, fall, and winter have their own rich etymologies that stretch back centuries. There’s something to enjoy about every ...