Poker probability The "nCr" function on most scientific calculators can be used to calculate hand frequencies; entering with and , for example, yields formula_2 as above. The royal flush is a case of the straight flush. It can be formed 4 ways (one for each suit), giving it a probability of 0.000154% and odds of 649,739 : 1. When ace-low straights and ace-low straight flushes are not counted, the probabilities of each are reduced: straights and straight flushes each become 9/10 as common as they otherwise would be. The 4 missed straight flushes become flushes and the 1,020 missed straights become no
Video poker on how rare they are, the game variation, and the decision of the game operator. A typical pay table starts with a minimum hand of a pair of jacks, which pays even money. All the other hand combinations in video poker are the same as in table poker, including such hands as two pair, three of a kind, straight (a sequence of 5 cards of consecutive value), flush (any 5 cards of the same suit), full house (a pair and a three of a kind), four of a kind (four cards of the same value), straight flush (5 consecutive cards