| CELL | Returns information about the formatting, location, or contents of a cell | 
| COUNTBLANK | Counts the number of blank cells within a range | 
| ERROR.TYPE | Returns a number corresponding to an error type | 
| INFO | Returns information about the current operating environment | 
| ISBLANK | Returns TRUE if the value is blank | 
| ISERR | Returns TRUE if the value is any error value except #N/A | 
| ISERROR | Returns TRUE if the value is any error value | 
| ISEVEN | Returns TRUE if the number is even | 
| ISLOGICAL | Returns TRUE if the value is a logical value | 
| ISNA | Returns TRUE if the value is the #N/A error value | 
| ISNONTEXT | Returns TRUE if the value is not text | 
| ISNUMBER | Returns TRUE if the value is a number | 
| ISODD | Returns TRUE if the number is odd | 
| ISREF | Returns TRUE if the value is a reference | 
| ISTEXT | Returns TRUE if the value is text | 
| N | Returns a value converted to a number | 
| NA | Returns the error value #N/A | 
| TYPE | Returns a number indicating the data type of a value |