An agent setup recipe
Practise fixing spreadsheet references
Predict what changes when a formula is copied, then check which cell references should stay fixed.
From
You get
What you will get
One prediction question, a minimal reference correction, and a small manual check
Illustrative example · fictional input
- Example input
- Fictional Excel 2024 for Windows exercise, A1 style, English locale. Formula in E2: =C2*D2*G1. C2=2, D2=3, C3=4, D3=5. G1=10 is the shared batch multiplier and must stay fixed when copying down to E3. G2 is empty. Intended E2=60 and E3=200. No rule for missing C or D is supplied. First ask me to predict how C2, D2 and G1 change when copying E2 to E3, then wait for my answer. Do not edit a workbook.
- Example result
- Illustrative result, not a recorded run: first question: When E2 is copied to E3, what happens to C2, D2 and G1? After the learner answers, the expected correction is =C2*D2*$G$1; the sample calculations are 2×3×10=60 and 4×5×10=200. These are expectations to check in a practice sheet.
The first response asks for a prediction and waits. G1 stays fixed while C2 and D2 still move with the row. Expected values 60 and 200 are labelled as calculated, not tested in Excel. Unknown missing-input behavior stays unresolved; the real workbook is unchanged.
What you need
Use one formula and a few example cells. This is a short learning exercise, not a workbook audit. You predict the copied reference first, then compare the explanation with Excel in a disposable practice sheet. Use fictional values and leave the original workbook unchanged.
- A ChatGPT account with access to Work on the web. Check your current account allowance; usage depends on your plan.
- Use notes you are allowed to share. Paste them in ChatGPT with the prompt; no plugin, API key, project or custom bot is needed.
- Keep the original material available for the short review below. Missing optional details can stay unknown.
Set it up
- Open ChatGPT in your browser, sign in and select Work if available in your account. Start a new chat for this task.
- Copy the prompt below and paste it into ChatGPT. Add the notes listed under What you need in the same message, in their current form. Keep the default option or change it here first. The assistant will start with your inputs; no separate setup conversation is needed.
- Make your prediction, then test the suggested correction in a disposable worksheet using the sample values. Keep the original workbook unchanged.
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Copy the ready prompt, or customize it with the settings. Paste it into ChatGPT Work to give it the task rules.
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setup prompt
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Review checks, limits and sources
Not tested by Juicy Agents. The examples are fictional, not recorded agent results.
Check the result
- The first response asks for a prediction and waits.
- G1 stays fixed while C2 and D2 still move with the row.
- Expected values 60 and 200 are labelled as calculated, not tested in Excel.
- Unknown missing-input behavior stays unresolved; the real workbook is unchanged.
Known limits
- Not tested by Juicy Agents. The sample and expected result are fictional; usefulness and time savings have not been measured.
- No workbook calculation, complete formula audit or financial correctness check is performed.
- Locale, version, names, external references and hidden workbook state may change what works.
If something goes wrong
- The assistant fixes every reference: ask which row or column actually needs to stay fixed.
- Excel gives another result: compare exact formulas, cell values, data types and locale before applying a change.
Platform sources
- ChatGPT Work on the web (opens in a new tab) · Checked 2026-10-09
- ChatGPT projects (opens in a new tab) · Checked 2026-10-08
- ChatGPT Work access and usage (opens in a new tab) · Checked 2026-10-09
- Microsoft: relative, absolute and mixed references (opens in a new tab) · Checked 2026-10-08
- Microsoft: Detect formula errors in Excel (opens in a new tab) · Checked 2026-10-08
- Microsoft: relative, absolute and mixed references (opens in a new tab) · Checked 2026-10-09
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