Spreadsheet Data Validation Rule Generator — illustrative example INPUT Allow whole numbers from 1 through 10 in A2. RESULT Use the application's whole-number validation with limits 1 and 10; message: Enter a whole number from 1 to 10. REVIEW Validation rules should prevent the intended invalid values without blocking legitimate input. Include a clear error message and test boundary cases. This is a teaching example, not a live execution record.