Quadratic Formula Calculator

Free Quadratic Formula Calculator — calculate and compare options instantly. No signup required.

a (x² coefficient)

b (x coefficient)

c (constant)

Discriminant (b²−4ac)

x₁

x₂

Vertex

(2.5, -0.25)

Axis of Symmetry

How to Use the Quadratic Formula Calculator

1. Enter your values — fill in the input fields with your numbers.
2. Adjust settings — use the sliders and selectors to customize your calculation.
3. View results instantly — calculations update in real-time as you change inputs.
4. Compare scenarios — adjust values to see how changes affect your results.
5. Share or print — copy the link, share results, or print for your records.

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