# Analyze Excel with Claude: verify calculations before trusting the report

LearnIA — teaching template — 2026-10-14

Use fictional data for the first trial. Adapt this template to your context and verify the result before using it.

## Brief to complete

- Objective and intended decision :
- Audience and context :
- Documents, versions and sources :
- Constraints and boundaries :
- Expected output format :
- Information to confirm :
- Reviewer :

## Starter instruction

Inspect the supplied workbook without overwriting the original. List sheets, columns, types, units, filters, formulas, missing values and possible duplicates. Explain selected ranges and every calculation. Distinguish simple and weighted averages. Exclude subtotal rows from raw-record totals and flag uncertain cases for review.

## Quality review

- [ ] The raw data and working copy are separate.
- [ ] Units and missing values are explicit.
- [ ] Totals and averages were recalculated independently.
- [ ] The exported workbook opens with valid formulas.

## Verification log

| Item | Source or calculation | Result | Correction |
| --- | --- | --- | --- |
| | | | |

## Approval and next step

- Remaining errors :
- Assumptions to resolve :
- Retained version :
- Next action and owner :

Full tutorial, example and sources : https://learn-prompting.fr/blog/analyser-excel-claude-verifier-calculs

This resource prepares a draft; it is not a certification, a grading decision, legal advice or a guarantee of results.