Secant Method Root Finder Calculator

Find real roots of quadratic functions via secant iteration using two starting guesses and tolerance.

Quick Facts

Core Formula
x_(n+1)=x_n-f(x_n)(x_n-x_(n-1))/(f(x_n)-f(x_(n-1)))
Use this for planning estimates and sanity checks.

Your Results

Calculated
Estimated Root
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Primary output
Iterations Used
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Secondary output
Residual |f(x)|
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Verification metric
Convergence Status
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Interpretation

Ready

Enter values and calculate to get scenario outputs.

How This Calculator Works

This calculator is scoped for practical scenario analysis with concise outputs that are easy to compare.

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