How It Works
D=b²−4ac; x=(−b±sqrt(D))/(2a). Coefficients are divided by their largest absolute value before computing the displayed normalized discriminant. Distinct real roots use a cancellation-resistant equivalent.
Reference Sources
FAQs
How does this calculator work?
D=b²−4ac; x=(−b±sqrt(D))/(2a). Coefficients are divided by their largest absolute value before computing the displayed normalized discriminant. Distinct real roots use a cancellation-resistant equivalent.
What assumptions should I check?
Check the units and definitions shown beside each input. Results use the values you enter.