An attempt at helping statistics students who are forced to use $\LaTeX$ find symbols that they're interested in.
Link to: https://roualdes.github.io/latexcheatsheet/
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$\mathbb{E}[X] = \int_{S} x f(x) dx$ is typed in LaTeX as <code>\mathbb{E}[X] = \int_{S} x f(x) dx</code>
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