Inserts new history draw in the place defined by the currently selected draw. Date restrictions are enforced so newly inserted draw must fit to the existing draws. Also renumbering of other draws happen to adjust for newly added draw.
If you can find your game in the several supported websites (like alllotto.com), you will be able to automatically extract previous draws from those sites, on a current year basis.
Whenever you click on the button, it scans the external website and extracts and appends rounds missing in your history draw.
This option is available ony for registered users, relieves you of pain to manually fill the history list.
Other options are self-explanatory and are used for maintaining the history list.