Algebra & Equations

Polynomial Evaluation

Evaluate a polynomial (coeffs high→low) using Horner's method.

Formula

Formula
p(x) = Σ ck xk

Variables

SymbolDefinitionType & rangeUnitsRole
cₖ coefficients (highest degree first) list of real numbers input
x evaluation point real number (ℝ) input

Try it yourself

Interactive calculator
comma or space separated numbers
Result

Worked examples

Example 1
Givencoefficients = 1, -3, 2, x = 5
Result12
Example 2
Givencoefficients = 2, 0, -1, 3, x = 2
Result17