How to Use

Last updated:July 8, 2026

This how-to guide covers 3 task topics for BESSELY, all available without membership; use the index below to jump to the method you need.

How-to Index

How-to Guide

1. Insert BESSELY through the Insert Function dialog box

Entry: Formulas tab → Insert Function

  1. Select the cell where you want to enter the formula.
  2. Click the fx button in the formula bar, or click Insert Function on the Formulas tab.
  3. Search for BESSELY in the Insert Function dialog box.
  4. Select the function and click OK.
  5. Enter each parameter in the Function Arguments dialog box.
  6. Click OK to finish inserting the function.

Success Criteria

  • The selected cell now contains the BESSELY function.
  • After the parameters are entered, the cell shows the calculation result or the formula.
  • The formula can continue to be edited, copied, or filled down.

Tips While Using

  • Use the standard function name BESSELY when searching.
  • If a parameter uses the wrong data type, the result may return an error.
  • Review the meaning of each parameter before confirming the dialog box.

2. Type the formula directly in a cell

Entry: Cell → Formula bar

  1. Select the cell where you want to enter the formula.
  2. Type =BESSELY(...) directly in the cell or in the formula bar.
  3. Press Enter to confirm.
  4. If you want to review parameter details, type =BESSELY( and press F1 to view syntax guidance.

Success Criteria

  • The BESSELY formula has been entered successfully in the cell.
  • After you press Enter, the cell shows the result or the full formula.
  • When you select the cell again, you can continue editing the parameters in the formula bar.

Tips While Using

  • The formula must begin with an equals sign (=).
  • Use English punctuation for parameter separators.
  • If the result looks incorrect, check whether referenced cells contain valid numeric values.

3. Review the syntax and parameter details

Entry: Formulas tab → Insert Function

  1. Click Insert Function on the Formulas tab.
  2. Type BESSELY in the search box.
  3. Select the function to review the syntax BESSELY(...).
  4. Click the help link for the function to open more detailed information.

Success Criteria

  • The BESSELY function entry has been found.
  • The syntax and parameter details are visible.
  • You can return to the worksheet and continue entering the formula.

Tips While Using

  • Opening the help link usually requires an internet connection.
  • Confirm the parameter order before entering the formula to reduce errors.
  • Keep the worksheet and the function information visible at the same time if you want to compare them while editing.