Learn What GROUPBY Can Really Do in Excel : From Smart Sorting to Percent of Totals

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

I used NotebookLM to learn about advanced Python tricks in Excel and I should have sooner

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

I won the Microsoft Excel World Championship. Here's what every office worker should know about Excel

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

How to Learn About Finance

Tap into the wealth of resources you’ll need—getting started is easy Lisa Smith is a writer with a passion for financial journalism, contributing to popular media outlets like Investopedia and ...
IEEE

IEEE Communications Surveys and Tutorials

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, ...
GitHub

.NET Training and Tutorials

Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...
IEEE

Satellite Communications in the New Space Era: A Survey and Future Challenges

Abstract: Satellite communications (SatComs) have recently entered a period of renewed interest motivated by technological advances and nurtured through private investment and ventures. The present ...
NPR

National

January 10, 2026 • More protests are planned for Sunday as people nationwide demonstrate against the Trump administration's immigration enforcement tactics with the killing of Renee Good in ...
PBS

The Latest

U.S. will leave 66 international organizations as Trump further retreats from global cooperation President Donald Trump on Wednesday signed an executive order suspending U.S. support for dozens of ...
GitHub

Diff Tool to Compare Two Excel Spreadsheet Files

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.
MLB

Spring Training

Plan your trip to see the Tigers in Lakeland, FL. 2026 Spring Training single-game tickets are now on sale. Sign up now for Tigers Newsletters to get access to exclusive offers and the latest news and ...
MLB

Braves Spring Training Information

2026 Spring Training tickets are on sale. Start planning your trip to CoolToday Park! Sign up now for the Braves Newsletter to get access to exclusive offers, and the latest news and insider ...