Module 39: ISNUMBER Function

39.1 ISNUMBER Function You can use the ISNUMBER function in Excel to check whether a value in the cell is numeric. ISNUMBER is part of the function group IS, that will return a value of TRUE or FALSE. ISNUMBER will return a TRUE if the data in a cell is numeric, or is a formula that will give a numeric outcome, or FALSE if it is text. You would use ISNUMBER with a cell address to provide a value. For example, if you wanted to check whether the value in cell B4 is numeric, you would us...

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