はてな記法 TeX 表記(MathJax)

-\frac{\hbar^2}{2m}\nabla^2\psi+V(x,y,z)\psi =i\hbar\frac{\partial\psi}{\partial t}

[tex:-\frac{\hbar^2}{2m}\nabla^2\psi+V(x,y,z)\psi 
=i\hbar\frac{\partial\psi}{\partial t}]