How to Use

Last updated:July 8, 2026

This section covers 3 how-to topics, including inserting COTH from the Insert Function dialog box, typing the formula directly, and reviewing syntax and parameter details.

How-to Index

How-to Guide

1. Insert COTH from the Insert Function dialog box

Entry: Formula 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 Formula tab.
  3. Search for COTH in the Insert Function dialog box.
  4. Select the function and click OK.
  5. Enter the required parameters in the Function Arguments dialog box.
  6. Click OK to finish inserting the function.

Success Criteria

  • Interface result: The target cell contains the COTH function.
  • Next step available: You can continue editing parameters or review the calculation result.

Tips While Using

  • Common mistake: A misspelled function name can make the function harder to find.
  • Environment note: Opening detailed help content may require an internet connection.

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 =COTH(...) directly in the cell or in the formula bar.
  3. Press Enter to confirm.
  4. If you want to review parameter details, type =COTH( and press F1 to open syntax help.

Success Criteria

  • Interface result: The cell shows either the calculation result or the entered formula.
  • Next step available: You can copy the formula to other cells or continue editing it.

Tips While Using

  • Common mistake: Using a full-width comma or other incorrect separator can cause a formula error.
  • Environment note: Shortcut behavior can vary slightly depending on keyboard layout.

3. Review function syntax and parameter details

Entry: Formula tab → Insert Function

  1. Click Insert Function on the Formula tab.
  2. Enter COTH in the search box.
  3. Select the function to review the syntax: COTH(number).
  4. Click the help link for this function to open more details.

Success Criteria

  • Interface result: You can see the function name, syntax, and parameter details.
  • Next step available: You can return to the worksheet and continue inserting or editing the formula.

Tips While Using

  • Common mistake: If the target function is not selected first, the displayed description may not be for COTH.
  • Environment note: Opening the help page usually requires internet access.