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comandante4ecomandante4e/claude-skills/skills/excel-formulas/SKILL.md

excel-formulas

Skill2 starsChanged 5 months agoNo licenceView on GitHub

When working with Excel files (.xlsx, .xlsm, .xls, .csv), derived/computed values MUST be written as live formulas (=A1*B1, =SUM(...), =VLOOKUP(...)), not as hardcoded numbers. This keeps the sheet editable — changing an input cell updates the dependents. If it's unclear which cells are inputs (variables) and which are outputs (derived), ASK the user before writing. Use proactively whenever creating, editing, or generating Excel files; whenever computing totals, percentages, ratios, summaries, or any value that depends on other cells.

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