How to Use the BESSELI Function in WPS on Windows

This how-to guide includes 3 topics for using BESSELI in AirSheet, and all 3 are available without membership.

How-to Index

How-to Guide

1. Enter the BESSELI function and calculate a result

Entry point: Formulas tab → formula bar

1. Open AirSheet and select the cell where you want to enter the formula.
2. Type = in the formula bar or directly in the cell.
3. Type BESSELI(.
4. Enter the required arguments based on the prompt.
5. Press Enter to display the result in the cell.

Success Criteria

• UI state: The target cell shows the BESSELI calculation result.
• Next actions: You can copy the formula, edit the arguments, or fill it into other cells.
• No side effects: Other unedited cells remain unchanged.

Tips While Using

• Common mistakes: Forgetting to start with = or leaving brackets or separators incomplete.
• Environment limits: You need to work in an editable AirSheet file.

2. View BESSELI syntax prompts

Entry point: Formulas tab → formula bar

1. In any editable cell, type =BESSELI(.
2. Watch for the syntax prompt that appears in the formula input area.
3. Use the prompt to confirm the number, order, and example format of the arguments.
4. Continue entering the arguments and complete the formula.

Success Criteria

• UI state: A syntax prompt appears after you type the function name.
• Next actions: You can continue entering arguments and complete the calculation.

Tips While Using

• Common mistakes: A misspelled function name may prevent the prompt from appearing.
• Environment limits: The cell must be in formula-editing mode.

3. Fix calculation errors and recalculate manually

Entry point: Formulas tab → formula bar

1. If the formula returns an error, first check whether the brackets match and whether the number of arguments is correct.
2. Check whether referenced cells contain numbers stored as text.
3. Confirm that the formula does not create a circular reference.
4. After making changes, press Enter to calculate again.
5. If the result still does not update, press F9 to recalculate manually.

Success Criteria

• UI state: The error message disappears and the cell shows an updated result.
• Next actions: You can continue editing, copying, or saving the worksheet.

Tips While Using

• Common mistakes: Referencing numbers stored as text or missing separators between arguments.
• Environment limits: Keyboard shortcuts work when the current worksheet window is active.