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Polynomial Calculator

Polynomial Calculator

Evaluate a polynomial of any degree at any x value. Enter coefficients separated by commas.

Math

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Coefficients (a₀, a₁, a₂, ...)

x

Formula

Evaluate a polynomial P(x) = a₀ + a₁x + a₂x² + ... + aₙxⁿ at any x value. Enter coefficients as comma-separated values from constant term to highest degree.

P(x) = a₀ + a₁x + a₂x² + ...

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Enter coefficients separated by commas (e.g., 1,2,3 for 1 + 2x + 3x²).
2Enter the x value.
3Click Calculate to evaluate.

Examples

Evaluate 1 + 2x + 3x² at x = 2

1.Enter coefficients=1,2,3 and x=2.
2.Calculate: 1 + 2(2) + 3(4) = 1 + 4 + 12 = 17.
3.Result: 17.

Result: 17

Evaluate 5 + 0x + x² at x = 3

1.Enter coefficients=5,0,1 and x=3.
2.Calculate: 5 + 0(3) + 1(9) = 14.
3.Result: 14.

Result: 14

Frequently Asked Questions

Enter them as comma-separated values: the first is a₀ (constant), then a₁ (coefficient of x), then a₂ (coefficient of x²), etc.

There is no fixed limit. Enter as many coefficients as needed. Higher degrees work as long as they fit in memory.

Include 0 for missing degrees. For example, 5 + x² is entered as 5,0,1.

Yes, decimal coefficients like 1.5, -2.3, 0.7 are fully supported.

Polynomial evaluation is used in calculus, numerical analysis, physics, engineering, and computer graphics.

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CalculateMe Team

Last updated: 2026-07-13

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