ChatGPT's year-end recap is here — and it tells you how many em-dashes you exchanged

OpenAI released a 2025 recap rundown called "Your Year with ChatGPT," which tells users which day they chatted the most and ...
Investopedia

Calculate R-Squared in Excel: Step-by-Step Guide and Common Mistakes

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Amy is an ACA and the CEO and founder of OnPoint ...
Investopedia

How Do I Calculate Fixed Asset Depreciation Using Excel?

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 ...
Hackaday

Nixie Tube Dashboard Is Period-Appropriate Hack To Vintage Volvo

There’s no accounting for taste, but it’s hard to argue with The Autopian when they declare that this Nixie tube dash by ...