# Quadratic equation

This online calculator is designed to calculate the quadratic equations.

## Calculator of Quadratic equation

## Formula

x_{1,2} = -2c / (b + √ (b^{2} - 4ac)

y_{1,2} = -2c / (b - √ (b^{2} - 4ac)

**x**- solution in addition_{1,2}**y**- solution in subtraction_{1,2}**a,b,c**- real constant

**Note**. This statistical quadratic equation calculator is provided for your personal use and should be used as a guide only.