Module 36: ISERR Function

36.1 ISERR Function You can use the ISERR function in Excel to check whether a value in a cell contains an error. ISERR is part of the function group IS, that will return a value of TRUE or FALSE. ISERR will return a TRUE if the data in a cell contains an error, with the exception of #N/A, or FALSE if there is no error, or an #N/A. You would use ISERR with a cell address to provide a value. For example, if you wanted to check whether the value in cell B4 has an error, you would use ...

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