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Quadratic equation

This page calculates the roots of equation ax²+bx+c=0 for complex values of coefficients.

The calculation is implemented only if the coefficient a is not equal to zero.

If your coefficients are real numbers, set the imaginary part equal to zero.

Space characters in fields are removed

The decimal point is denoted by .

If there is not a real root then the two roots are conjugate complex numbers

Calculator

Blank fields are assumed to be the number zero