Excel Formulas With ChatGPT: Prompts That Actually Work
Copy-paste ChatGPT prompts for Excel formulas: lookups, conditional sums, date math, text cleanup — plus a fix-it table for every common error.
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Automate Repetitive Tasks in Google Sheets: A Checklist
A practical checklist for matching a Google Sheets task to the right method: native feature, formula, or Apps Script trigger.