Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.
Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
How-To Geek on MSN
How to simplify complex Excel formulas for better auditing
Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.
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