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

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

Learn to calculate the Sharpe Ratio in Excel for insightful investment analysis. Our guide will help you assess risk versus ...

Excel's Custom Views tool lets you create a snapshot of your spreadsheet, allowing you to toggle between layouts.

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Learn to simulate stock prices with Excel and gain predictive power over market trends. Our step-by-step guide enhances your ...

Numbers in rows tell one story, but charts and graphs reveal patterns you might otherwise miss. Create a simple line graph ...

Make Gemini work inside your spreadsheets: subscribe to the newsletter for tested prompts, ready-made table and chart ...

Learn how to create burndown charts to track project progress, improve team performance, and download free templates to get ...

A roundup of the most-read Carolyn Hax columns of 2025 includes a woman’s birthday obsession, a flight-tracking in-law and a petty inheritance decision. Tensions can run high during the holidays.

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