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

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

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Readiness goes beyond grades. Life skills and purpose matter. Building Meaning and Iliad Athletics show how educators turn knowledge into skills and habits for real life.

"The people who are most successful create content that fills a gap they've identified on their own," said content creator ...