Home Maths Calculator Quadratic Formula Calculator Maths Calculator Quadratic Formula Calculator By Calculator - July 25, 2025 13 0 Quadratic Formula Calculator Quadratic Formula Calculator Enter coefficients for the quadratic equation: x² + x + = 0 Solve Clear Enter values and click Solve Why use this Quadratic Formula Calculator? Accurate and fast results for real and imaginary roots. Clean, focused layout — no distractions. Effortless clearing and reuse with a single click. About the formula: The Quadratic Formula is x = [-b ± √(b² - 4ac)] / (2a) Water Hardness Calculator