Find the next thing to check.
Look up a question, inspect a formula’s structure, then try a working example.
Published explanations come from 19 original troubleshooting topics. The lookup inspects structure without calculating a pasted formula. For generated advice and an explicit local trial, use the local formula assistant. Current task observations remain available inside task and function worksheets.
Ask a new Excel question, then try the formula
Generate an English explanation with Chrome’s local model. Suggestions can be wrong; inspect the assumptions and run a separate trial on your sample. Opening this section does not generate or execute a formula.
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Unselected columns keep literal text, including leading zeros, = signs and error-looking labels. Selected numeric columns accept plain finite numbers; their empty cells are blank.
| Cell row | A | B | C |
|---|---|---|---|
| 1 | Region | Status | Amount |
| 2 | East | Paid | 10 |
| 3 | West | Paid | 20 |
| 4 | East | Pending | 30 |
| 5 | East | Paid | -5 |
The trial writes only to J2 in a copy of these literal cells. It allows at most 144 result cells and stops a calculation that exceeds its time limit. No model suggestion is run automatically.
Your question, cells and answer remain in this tab unless you download them. They are not put in the URL or browser storage. Model files may need a browser-managed download. No paid backend or prompt upload is configured.
Published help topic
Use the failed dataset to test the rule
A formula can fit one table and fail another; practice checks its reusable behavior.
- Open the results by dataset after a check. Current worksheet failures and separate test cases are labelled independently.
- Compare the first failing result with the task rule. A successful result on one source does not establish that a fixed threshold or hard-coded value works elsewhere.
- Practice the failing source, change the formula and check again. Unsupported attempts remain ungraded; opening help never completes a task.