Math

Permutation & Combination

Choosing 3 from 10 items gives 720 ordered arrangements (nPr) or 120 combinations (nCr). Get both, plus repetition cases and n factorial, with exact big numbers.

get/api/calc/permutation-combination-calculator

Request

  • Base URL: https://calcbright.com
  • URL: https://calcbright.com/api/calc/permutation-combination-calculator
  • Auth: none declared

Query parameters

nnumber

Total items (n)

rnumber

Items chosen (r)

Response

Calculation result

okboolean
toolstring
namestring
urlstring

Open this link to see the full calculation

inputsobject
summarystring

Plain-text answer

detailsstring
resultobject
errorsobject

Changes

No recorded changes to this operation across all 1 revision of this API.