Test LaTex rendering by

\frac{1}{\Bigl(\sqrt{\phi \sqrt{5}}-\phi\Bigr) e^{\frac25 \pi}} = 1+\frac{e^{-2\pi}} {1+\frac{e^{-4\pi}} {1+\frac{e^{-6\pi}} {1+\frac{e^{-8\pi}} {1+\cdots} }}}f(x) = \int_{-\infty}^\infty \hat f(\xi)\,e^{2 \pi i \xi x}\, d\xi

Does it work? it seems so, and very well too!