| Lookup_Value | This is the value you want to find. This can be a number, text, a cell reference, or a logical value. |
| Lookup_Array | This is a row or column where the match will be found. The lookup_array must be a single row or column. |
| Match_Type |
0 = Find an exact match 1 = Closest value that is less than or equal to the lookup_value Lookup_array must be in ascending order 2 = Closest value that is greater than or equal to the look-up value Lookup_array must be in descending order |