ISFORMULA

• How to use ISFORMULA formula?
• Examples of using ISFORMULA formula
• ISFORMULA formula not working?
• Similar formulas to ISFORMULA

Usage

Use the ISFORMULA formula with the syntax shown below, it has 1 required parameter:

=ISFORMULA(cell)

1. cell (required):
   The cell that you want to check for a formula. It can be a cell reference or a range.

Examples

Checking for formula errors

You can use ISFORMULA to check if a cell contains a formula error like `#DIV/0!` or `#N/A`. This can be useful when building complex formulas.

Preventing accidental overwriting of formulas

You can use ISFORMULA in a data validation rule to prevent users from accidentally overwriting formulas in a sheet. For example, you can set a validation rule to only allow users to edit cells that do not contain formulas.

Common Mistakes

Not using a valid cell reference

One common mistake is not using a valid cell reference as the argument for ISFORMULA. Make sure to enter a valid cell reference that contains a formula.

Using a range instead of a single cell reference

Another common mistake is using a range of cells instead of a single cell reference as the argument for ISFORMULA. ISFORMULA can only be used on a single cell, so make sure to provide a valid single cell reference.

Forgetting to include the parentheses

A common mistake is forgetting to include the parentheses around the cell reference in the ISFORMULA formula. Make sure to include the parentheses to properly evaluate the formula.

Using a cell that doesn't contain a formula

ISFORMULA can only be used on a cell that contains a formula. If you use ISFORMULA on a cell that doesn't contain a formula, it will return FALSE. Make sure to use ISFORMULA on a cell that contains a formula.

Not understanding what ISFORMULA does

ISFORMULA is an information function that checks if a cell contains a formula. If the cell contains a formula, it returns TRUE. Otherwise, it returns FALSE. Make sure you understand what ISFORMULA does before using it in your sheet.

Related Formulas

The following functions are similar to ISFORMULA or are often used with it in a formula:

• ISBLANK

  The ISBLANK formula is used to check if a cell is empty. It returns TRUE if the cell is empty and FALSE if it contains any data or formula. This formula is commonly used in conditional formatting or data validation rules to ensure a cell is not left empty.

• ISTEXT

  The ISTEXT function checks whether the value provided is a text string or not. It returns TRUE if the value is text and FALSE if it is any other data type. This function is commonly used when working with data sets that contain text and non-text values.

• ISNUMBER

  The ISNUMBER formula is used to check if a given value is a number. It returns TRUE if the value is a number and FALSE if it is not. This formula is commonly used in data cleaning and validation to identify and remove non-numeric values or to ensure that a cell only contains a number.

Learn More

You can learn more about the ISFORMULA Google Sheets function on Google Support.