Permutations and Combinations Calculator
Answer two questions, does order matter and can things repeat, and see the formula that fits, the exact count however large, and the outcomes listed for small cases.
What you can do
- Exact nPr and nCr, with every digit
- With and without repetition, and which to use when
- Arrangements of a word with repeated letters
- Choices shown slot by slot, or as stars and bars
- Lists the outcomes when there are few enough to read