Pascal Triangle Row Calculator

Enter row n (zero-based).
Math

Pascal Triangle Row with stated conventions, validation and a worked example.

Formula

C(n,0)=1; C(n,k+1)=C(n,k)(n−k)/(k+1)

Example Calculation

Example inputs
  • Row n (zero-based): 5

Zero-based row5 contains 1,5,10,10,5,1.

Frequently asked questions

How do I use this calculator?

Enter row n (zero-based). The result updates automatically. Use Reset to restore the example values.

What method does it use?

C(n,0)=1; C(n,k+1)=C(n,k)(n−k)/(k+1). Exact integer coefficients; rows 0–200.

Why might a rounded result differ?

The calculation keeps full numeric precision internally, then rounds the displayed result. Rounding intermediate steps by hand can produce a slightly different answer.

Are my inputs saved online?

No. This calculator processes your inputs in your browser. A recently used list stores only calculator names on this device, not your entered values.

Check the assumptions and units before using this result. Read about calculation methods.