Use ERF through 4 how-to topics, including entering the function, viewing syntax guidance, using nested or cross-sheet formulas, and checking errors with recalculation.
How-to Index
How-to Guide
1. Enter the ERF function and return a result
Entry point: Formulas tab → Formula bar
- Open AirSheet and select the cell where you want to enter the formula.
- Type
=in the formula bar or directly in the cell. - Type
ERF(to begin the function. - Enter the required parameters and press Enter.
Success Criteria
- UI state: The cell displays the ERF calculation result.
- Next actions: You can copy the formula, edit parameters, or save the sheet.
Tips While Using
- Common mistakes: If you forget to type
=first, the content may be treated as plain text.
2. View ERF syntax guidance and parameter requirements
Entry point: Formulas tab → Formula bar
- Select the target cell.
- Type
=ERF(. - Check the syntax guidance that appears.
- Confirm the parameter requirements and example format.
Success Criteria
- UI state: A syntax guidance area appears after you type the function name.
- Next actions: You can continue entering parameters and complete the formula.
Tips While Using
- Common mistakes: If the function name is misspelled, the matching guidance may not appear.
3. Use ERF with cross-sheet references or nested formulas
Entry point: Formulas tab → Formula bar
- Select the cell where you want to show the result.
- Start the formula with
=ERF(. - Add a reference to another sheet in the parameter, or nest another formula.
- Press Enter and review the result.
Success Criteria
- UI state: The cell returns a calculation result and the reference works as expected.
- Next actions: You can adjust the reference range or copy the formula to other cells.
Tips While Using
- Common mistakes: An incorrect reference address can cause an unexpected result.
4. Check ERF errors and recalculate manually
Entry point: Formulas tab → Formula bar
- Check whether the parentheses are complete and whether parameters are separated correctly.
- Check whether referenced cells use a numeric format that can be calculated.
- Confirm that there is no circular reference or other issue affecting the result.
- Press
F9to recalculate and review the updated result.
Success Criteria
- UI state: The error is cleared or the result updates to the expected value.
- Next actions: You can continue editing, saving, or copying the formula.
Tips While Using
- Common mistakes: Numbers stored as text may cause calculation issues.
- Environment limits: Some keyboards may require system shortcut settings for recalculation keys.