Kalkulator

Ing basa Jawa, tembung iki bisa dijupuk saka tembung gawéan.

Kombinasi (nCr) —

Formula —

Arrangement sing ditemtokake (nPr) —

Hasil dioptimalake nalika sampeyan ngetik.

Did this calculator give you the right answer?

Ngendi kalkulator iki

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. Choosing none or all gives nC0 = nCn = 1, and as with permutations, r cannot exceed n. A 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

Takon kang asring diajukake

Apa formula kombinasi?

nCr = n! / (r! × (n − r)!). For 10 items taken 3 at a time: 120 different groups.

Apa sing dadi sebabé?

Kombinasi ora nganggep urutan, mula saben grup ora diurutkan padha karo r! permutasi diurutkan. Iki sebabé nCr = nPr ÷ r!

Kapan kula kedah ngginakaken kombinasi?

Nalika urutan ora penting: lotre nomer, tangan kartu, milih komite, utawa pilihan apa wae ing ngendi grup iku sing count, ora aran.

Apa iku koefisien binomial?

Ing basa Inggris, istilah "triangle" punika dipun-ginakaken kanggé ngrujuk dhateng segitiga ingkang dipun-ginakaken ing teori binomial.

Apa iku nC0 utawa nCn?

Both equal 1 — there is one way to choose none, and one way to choose all of them.

Apa alat iki uga nuduhaké permutasi?

Ya. Iki nuduhaké nPr = nCr × r! ing sisih kombinasi supaya sampeyan bisa ngbandingaké jumlah sing diurut lan ora diurut.

API — gunakake kalkulator iki saka kode

Panggenan kalkulator iki minangka titik pungkasan JSON gratis - ora ana kunci sing dibutuhaké. Kirimi nilai medan ing ngisor iki minangka parameter pitakonan utawa JSON. Anything you omit uses the same default this page is pre-filled with; an unknown parameter is a 400, never a silent zero. Waca dokumen API lengkap →

Titik pungkasan

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);

Kajaba iku, ana uga sing ora bisa gawé gawéan, kaya ta dokter, insinyur, lan liya-liyané.