Polynomial Calculator

Evaluate any polynomial at a given value of x. Enter coefficients from highest to lowest degree.

Space or comma separated, highest power first

How to Use This Calculator

  1. Enter your Coefficients (highest degree first) — Space or comma separated, highest power first.
  2. Enter your Evaluate at x =.
  3. Click Calculate to see instant results with a step-by-step breakdown.
  4. Use the Share button to copy a link with your inputs pre-filled.

⚠️ Results are for informational purposes only. Always verify important calculations with a qualified professional.