value!Checks whether a value is an error (#VALUE!, #REF!, #DIV/0!, #NUM!, #NAME?, or #NULL!) excluding #N/A, and returns ...

!value!!Checks whether a value is an error (#VALUE!, #REF!, #DIV/0!, #NUM!, #NAME?, or #NULL!) excluding #N/A, and returns TRUE or FALSE!is the value you want to test. Value can refer to a cell, a formula, or a name that refers to a cell, formula, or value!