**$****latex i\hbar\frac{\partial}{\partial t}\left|\Psi(t)\right>=H\left|\Psi(t)\right>$**

Okay. So to do equations on WordPress, I have to use LaTex…

**$**latex m\frac{d^2 y}{dt^2} = -b\frac{dy}{dt} -kx $

will become

Oy vey. I have a new markup language to learn. And by keyboard’s debouncer is wacked. I keep double typing letters like ddouble or bouncce.

Okay… here goes…

**$**latex s’=H’_1 T_1 H_1 s + \sum\limits_{n=2}^N [ (\prod\limits_{m=1}^{n-1} L’_m) H’_n T_n H_n \prod\limits_{m=n-1}^1 L_m] s + (\prod\limits_{n=1}^N L’_n) (\prod\limits_{m=N}^1 L_m) s $

becomes

Okay that works.

**$**latex \begin{bmatrix}

1& 2\\

3& 4

\end{bmatrix}

$

**$**latex \tau \tau \sigma \Sigma \gamma \Gamma $

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