The list of predefined search functions is given in the table below:
| Function | Brief description |
| Choose | It selects value in the list of values by index number. |
| Column | It returns the number of the referenced column. |
| Columns | It returns the number of columns in reference. |
| Row | It returns the number of the referenced row. |
| Rows | It returns the number of rows in reference. |
See also: