TeX Quellcode:

\begin{array}{rclcl} y^2-3y+\dfrac12 &=& 0 &\vert& \text{p-q-Formel} \cr y_{1,2} &=& \dfrac32\pm\sqrt{\left(-\dfrac32\right)^2 -\dfrac12} \cr y_{1,2} &=& \dfrac32\pm\sqrt{\dfrac74} \cr\cr y_1 &=& \dfrac{3+\sqrt{7}}{2} \approx 2{,}82 \cr y_2 &=& \dfrac{3-\sqrt{7}}{2} \approx 0{,}18\end{array}