Also, I made $\LaTeX$ working. Watch this: $$ \left( \frac{\hbar^{2}}{2m} \Delta + \hat{V} \right) \Psi \left( \boldsymbol{\hat{r}} \right) = E \Psi \left( \boldsymbol{\hat{r}} \right) $$
You can find interesting things currently only under the Posts menu.