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

Excel now supports IMPORTTEXT and IMPORTCSV functions that load external text and CSV files as dynamic arrays, making it ...

Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...

In this video, you’ll learn how to generate the entire alphabet in Excel using a single formula, including both uppercase and ...

Using the example in our spreadsheet or a similar spreadsheet, highlight all the revenue numbers in the sheet and then in the ...

Learn Microsoft Copilot basics, free and paid differences, and prompt tips to draft Outlook replies faster and summarize ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. What Is the Calculating Compound Annual Growth Rate ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...

Taylor Barnard narrowly missed pole and a podium in Mexico City, finishing fourth in his second race with DS Penske. Despite a lap deletion in qualifying, he started from the front row and led early.

Your typical Excel workbook—the file you're working in—can get loaded with plenty of worksheets (each indicated by a tab at the bottom, which you can name). Hide a sheet if you want, rather than ...