Spreadspeed uses the custom range selector shown in the image below.
|•||Range selector: When you select a range with your mouse, the range address is shown in the text box. You can choose a range on the current sheet, another worksheet, or another workbook.|
|•||Close button : The close icon will return the selected range.|
|•||Table / worksheet button : If the selected cell is within a Table, the range containing the table is returned, otherwise, the Used Range of the worksheet is returned.|