Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas (with or without help from the Copilot AI assistant) and ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

What really happens after you hit enter on that AI prompt? WSJ’s Joanna Stern heads inside a data center to trace the journey and then grills up some steaks to show just how much energy it takes to ...

David E. Dunning explores how mathematical notation is a social, world-building technology. It’s natural to think of math as being fundamentally abstract. Whether it’s invented or discovered, its ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. BARCELONA, SPAIN - MARCH 02: AI agents message is seen in Mobile World Congress 2026 on ...

A new study finds that certain patterns of AI use are driving cognitive fatigue, while others can help reduce burnout. by Julie Bedard, Matthew Kropp, Megan Hsu, Olivia T. Karaman, Jason Hawes and ...

People who interact with chatbots for emotional support or other personal reasons are likelier to report symptoms of depression or anxiety, a new study finds. Subscribe to read this story ad-free Get ...

Emerging research suggests that the more you use AI, the more it may negatively affect your critical thinking skills. But it depends on the tasks you use it for and how you use it. Share on Pinterest ...

A new COPILOT function in Excel lets you use AI in a formula. The new skill is now available to Microsoft 365 insiders. Reduces some of the complexity involved in creating formulas. Get more in-depth ...