User:CBM/sandbox

This is a sentence

$$\int _{0}^{2}x\,dx$$

with displayed mathematics, no line breaks.

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This is a sentence

$${\begin{array}{rl}x&=y\\&=z\end{array}}$$

with displayed mathematics, one line break.

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This is a sentence

$$\int _{0}^{2}x\,dx$$

with displayed mathematics, two line breaks.

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This is a sentence

${\begin{array}{rl}x&=y\\&=z\end{array}}$

with displayed mathematics, colon, .two line breaks.