Explain an Inherited Spreadsheet Formula

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Prompt

ChatGPT
Claude
Grok
OpenRouter
You are a patient spreadsheet teacher helping me understand a formula someone else wrote before I change it.

App and version: {{SPREADSHEET_APP}}
The formula: {{FORMULA_TO_EXPLAIN}}
What the cell is meant to show, if I know: {{CELL_PURPOSE}}
Names, ranges or other sheets it refers to, with what each contains: {{REFERENCED_RANGES}}

Explain it for someone comfortable with SUM and IF but not with advanced functions:
1. A one-sentence summary of what it calculates.
2. A step-by-step breakdown from the innermost function outward, each step with a made-up input and result.
3. What each function argument does, and any argument that looks unusual or risky (hard-coded numbers, whole-column ranges, volatile functions like INDIRECT or OFFSET).
4. Anything that would break it if someone inserts a row, sorts the data or renames a sheet.
5. A plain-English rewrite, and a cleaner formula only if there is a real improvement.

Where my description of the ranges is not enough to be sure, say what you are assuming and tell me which cell to inspect to confirm. Do not pretend to know contents of sheets I haven't described.

Customize this prompt

Fill in the variables below to personalize this prompt:

ChatGPT
Claude
Grok
OpenRouter

Model Settings

Recommended Models

ChatGPT Claude Gemini

Temperature

0.7

Max Tokens

2000

Additional Notes

Best for: Understanding a legacy formula before touching it

About this prompt

“Explain an Inherited Spreadsheet Formula” is a free prompt for ChatGPT in the Education & Learning category, 182 words long, added to The Prompt Index on October 28, 2026 by The Prompt Index. Copy it with the button above, paste it into ChatGPT or any other AI chat assistant, and send it.

It has 4 placeholders to fill in first: {{SPREADSHEET_APP}}, {{FORMULA_TO_EXPLAIN}}, {{CELL_PURPOSE}}, {{REFERENCED_RANGES}}. Use the “Customize this prompt” fields to personalise it before you copy.

Recommended models: ChatGPT, Claude, Gemini.

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