TeX Quellcode:

\begin{array}{rclcr} 180^\circ &\widehat{=}& \pi \cr \cr 1^\circ &\widehat{=}& \dfrac{\pi}{180^\circ} \cr \cr 225^\circ &\widehat{=}& \dfrac{225^\circ}{180^\circ}\cdot\pi \cr\cr \beta &=& \dfrac{5}{4}\pi \end{array}