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# How to use the Excel ISFORMULA function

We can use the excel ISFORMULA function to check if a cell contains a formula or not. Even if the formula is valid or in an error state, the ISFORMULA function still returns TRUE if a formula is found and FALSE if otherwise. The steps below will walk through the process.

Figure 1: How to use the Excel ISFORMULA function

## Syntax

`=ISFORMULA(reference)`

• Reference is the cell we want to check if it contains a formula

## Formula

`=ISFORMULA(D4)`

## Setting up the Data

• We have text values that are been counted. We will use the ISFORMULA FUNCTION to check if all the cells in Column C have the formula to count the TEXT in Column B
• We will set up the data by inputting the TEXT in Column B
• We will input the WORD COUNT into Column C
• Column D is where we want the ISFORMULA FUNCTION to return the result

Figure 2: Setting up the Data

## ISFORMULA Function

• We will click on Cell D4
• We will insert the formula below into the cell
`=ISFORMULA(D4)`
• We will press the enter key

Figure 3: Output for Cell D4 with the ISFORMULA Function

• We will click on Cell D4 again
• We will double-click on the fill handle (the small plus sign at the bottom right of Cell D4) and drag down to copy the formula into the other cells

Figure 4: Result for Column D with the ISFORMULA function

## Note

• The FORMULATEXT Function can be used to display the formula in COLUMN C

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