IS functions: ISBLANK, ISERR, ISERROR, ISLOGICAL, ISNA, ISNONTEXT, ISNUMBER, ISREF, ISTEXT

What is IS function in Excel? IS functions, ISBLANK, ISERR, ISERROR, ISLOGICAL, ISNA, ISNONTEXT, ISNUMBER, ISREF, ISTEXT are under the Information functions in Microsoft Excel. Each of these functions, referred to collectively as the IS functions, checks the specified value and returns TRUE or FALSE depending on the outcome. For example, the ISBLANK function returns the logical value TRUE if the […]

How to check worksheet name exists in Excel

To test if a worksheet name exists in a workbook, you can use a formula based on the ISREF and INDIRECT functions. Formula =ISREF(INDIRECT(“sheetname”&”!A1″)) Explanation In the example shown, the formula in C5 is: =ISREF(INDIRECT(B5&”!A1″)) How this formula works The ISREF function returns TRUE for a valid worksheet reference and FALSE is not. In this […]