Arrange Combination Calculator
Accurately calculate the number of permutations and combinations selected from n different elements.
Arrange Combination Calculator User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Choose 2 from 5 elements: 20 in the arrangement, 10 for combination.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
No repeated selection: the order is counted in the order, the combination is not counted, and the use of large integers to avoid the loss of precision.
scope of use
n max. 1000; the result is only applicable to different elements, not put back to the selection.
Which one should be selected for the arrangement and combination?
If the order of the selected elements is different and the results are different, use the arrangement; only care which elements are selected, and use the combination. Here, it is assumed that the elements are different from each other, and they are not put back when they are selected. When selecting zero, both results are 1.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
n max. 1000; the result is only applicable to different elements, not put back to the selection. Please compare the input unit, rounding method, applicable rules and data version first.