How do I use the Combinations with Replacement?

Enter your values in the input fields and click Calculate. The Combinations with Replacement provides instant results with step-by-step explanations.

Is the Combinations with Replacement free?

Yes, completely free with no registration or download required. All calculations happen instantly in your browser.

Our Combinations with Replacement uses standard mathematical formulas and is accurate to several decimal places. Results are calculated in real-time.

Combinations allowing repeated elements

C(n,r) — order does not matter

n (total items)

r (items chosen)

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