Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

Ever since Microsoft introduced Python in Excel, I have treated it as a ‘someday’ project. I knew Python integration was the ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Abstract: Polarization is an important property of electromagnetic waves. It has shown the great application potential in optical fiber, radar, and satellite communications, where polarization has ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

Org-roam is a plain-text knowledge management system. It brings some of Roam's more powerful features into the Org-mode ecosystem. Org-roam borrows principles from the Zettelkasten method, providing a ...

January 13, 2026 • The EPA won't consider the economic costs of harms to human health, at least for now. Legal and health experts are concerned that the change could make it easier for the agency to ...

How to compare two excel files for differences? Using this web tool, you can compare Excel document easily. Just select first/original file in left window and second/modified file in right window.