| Name | Description | |
|---|---|---|
 | Count | Returns the number of arguments to the custom function. |
| CurrentColumn | Returns the column of the cell which is currently being calculated. |
| CurrentFormula | Returns the formula of the cell which is currently being evaluated, or null if no cell is currently being evaluated. |
| CurrentFunctionName | Returns the name of the function which is currently being evaluated. |
| CurrentRow | Returns the row of the cell which is currently being calculated. |
| CurrentWorksheet | Returns the worksheet of the cell which is currently being calculated. The Function.Evaluate method precludes the use of any API on this worksheet except for the Name, Index and Workbook.Name properties. |
| Item | Returns the argument specified by the zero based index. Note that this indexer has the side effect of converting a range or array to a single value. |