User:Marc Goossens/collecting thoughts

Some math
$$\dot{E} = \mathcal {E}, \mbox {with} ~ \mathcal {E} := \mathcal {Q} + \mathcal {W} $$

$$\dot{S} \ge \mathcal {S}, \mbox {with} ~ \mathcal {S} = \frac {\mathcal {Q}}{\theta} $$

try inline $$\mathcal {E} $$

Helprefs
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On refs and footnotes
First aof all see, but be sure to check and  as well! And why not