19 calculators available
Generate random integers in a custom range.
Calculate the probability of rolling a target sum.
Calculate the probability of exactly k heads in n flips.
Calculate your odds of winning a lottery jackpot.
Find probability that two people in a group share a birthday.
Calculate the expected value of a probability distribution.
Calculate card draw probabilities using hypergeometric distribution.
Calculate win probability and house edge for roulette bets.
Count unique letter arrangements of a word.
Calculate P(at least one success) in n trials.
Calculate the probability of reaching a target before going broke.
Find the expected number of purchases to complete a set.
Analyze win probability for the Monty Hall problem.
Calculate P(A|B) given P(A∩B) and P(B).
Calculate probability of multiple independent events.
Find the probability of any 5-card poker hand.
Calculate win probability for craps bets.
Count ordered and unordered samples with or without replacement.
Calculate the expected sum and statistics for rolling dice.