Kubatanidza Calculator (nCr)
Kuverenga nzira dzokusarudza r zvinhu kubva n kana chirongwa hachidi chinhu.
Zvinyorwa zvinogadziridzwa paunenge uchinyora.
Nezve iyi kalkulator
combination counts how many ways you can choose r items from a set of n when order does not matter — picking the same group in a different sequence counts once. This calculator returns the exact count, the formula, and the matching number of ordered arrangements (nPr) for comparison. This calculator returns the exact count, the formula, and the matching number of ordered arrangements (nPr) for comparison. This calculator returns the exact count, the formula, and the matching number of ordered arrangements (nPr) for comparison. nCrCombinationCombinations answer "how many groups?" — the odds in a lottery, the number of possible five-card poker hands, ways to pick a committee, or terms in a binomial expansion. nCrCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombinationsCombination
Zvimwe zvinobvunzwa zvakanyanya
Chii chinonzi combination formula?
nCr = n! / (r! × (n − r)!). For 10 items taken 3 at a time: 120 different groups.
Nei nCr iri shoma kupfuura nPr?
Kubatanidza kusingatarisike chirongwa, saka chero unordered group inowirirana ne r! akachengetwa permutations. That is why nCr = nPr ÷ r!.
Ndiani anofanira kushandisa mishonga miviri?
Kana chirongwa chisina kunaka: lottery numbers, a hand of cards, choosing a committee, or any selection where the group is what counts, not its arrangement.
Chii chinonzi binomial coefficient?
Ichi ndicho chinonzi nCr, chiratidzo che "n choose r" chinoonekwa muBinomial theorem uye chinoumba mazita ePascal's triangle.
Chii chinonzi nC0 kana nCn?
Vaviri vakaenzana 1 — pane imwe nzira yekusarudza hapana, uye imwe nzira yekusarudza vese.
Chii chinonzi permutation?
Yeah. It shows nPr = nCr × r! alongside the combination so you can compare ordered and unordered counts.
API — kushandisa iyi kalkulator kubva code
Chiva iyi calculator semahara JSON endpoint - hapana chikuru zvinodiwa. Kutumira nzvimbo zviwanikwa pasi separameter query kana JSON. Tora yakazara API docs →
Endpoint
GET https://calculator.free/api/v1/combination/curl
curl "https://calculator.free/api/v1/combination/?n=10&r=3"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/combination/?" + new URLSearchParams({
"n": "10",
"r": "3"
}));
const data = await r.json();
console.log(data.results);Zviratidzo zvemubvunzo ndezvekufungidzira kwechinangwa chekudzidzisa chete, kwete zvemari, zvehutano kana zvemari.