Sam

Here is math

Take a look at this:

I say that e^{i\pi} + 1 = 0.
Also, \oint_c{f(\bar{\rm x}) \cdot d\bar{\rm x}}. Not to mention P(y \, | \, \theta). And \{x\in\Re: \exists p\in\mathbb{N} [x]: p(x)=0\}.

\frac{-b \pm \sqrt{b^2-4ac}}{2a}

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