9:25 PM: The Islanders beat the Hurricanes and so the Rangers did not clinch a playoff spot tonight.
The Rangers will be able to clinch tomorrow with a win over Ottawa, a loss to Ottawa and an Islanders regulation loss to St. Louis, a point by the Rangers and any loss by the Islanders to St. Louis.
11:28 AM: The Rangers can clinch a playoff spot tonight if the Hurricanes beat the Islanders in regulation.
The magic number to clinch is two points accumulated by the Rangers or two points not gotten by the Islanders.
If the Islanders get at least one point tonight then the Rangers can clinch a playoff spot tomorrow with at least one point against the Senators.