Math

Cubic Equation Calculator

Real roots of ax³ + bx² + cx + d = 0.

Root 1

Root 2

Root 3

This free Cubic Equation Calculator covers Real roots of ax³ + bx² + cx + d = 0.

Depress the cubic and solve with the trigonometric or Cardano form. Other math tools are linked below.

Cubic Equation Calculator — how it works

Real roots of ax³ + bx² + cx + d = 0. Typical inputs are a, b, c and d. How it works beside the form states the identity the Cubic Equation Calculator applies.

FAQ

How do I use the Cubic Equation Calculator?

Open the Cubic Equation Calculator, fill a, b, c and d, and read the result. Depress the cubic and solve with the trigonometric or Cardano form.

What formula does the Cubic Equation Calculator use?

The Cubic Equation Calculator uses the identity in How it works. In words: Depress the cubic and solve with the trigonometric or Cardano form.

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