Inline Formulas

Use $ to wrap: $E = mc^2$

Block Formulas

Use $$ to wrap:

$$\frac{\partial u}{\partial t} = \alpha \nabla^2 u$$

Common Examples

$$\sum_{i=1}^{n} x_i$$
$$\int_{0}^{\infty} e^{-x^2} dx = \frac{\sqrt{\pi}}{2}$$
$$\bar{x} = \frac{1}{n}\sum_{i=1}^{n}x_i$$

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