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
Bug (poker) Bug (poker) A bug in poker is a limited form of wild card. One or both jokers are often added to the deck and played as bugs. In draw poker played for high and pai gow poker, the bug is considered to be an ace, unless it can be used as a missing card to complete a straight or a flush, in which case it becomes the highest card which can complete the hand. In California lowball, the bug is the lowest unpaired card in a hand. For example in 8-6-4-3 plus the bug, the bug becomes an ace; in