Is it possible to number equations when posting questions at physics stack exchange, or any other stack exchange site enabled with MathJax?

I have tried \begin{equation} \end{equation}.

  • 2
    $\begingroup$ And on this topic, for those familiar with Tex but new to MathJax: both starred and unstarred versions of equation, align, and gather can be used, but they are identical and function as the starred variants (no numbers) unless \tag is used. $\endgroup$ – user10851 Dec 24 '12 at 4:22

Yes, there is a \tag{} command. E.g.

$$ 1+1=2 \tag{1} $$


$$ 1+1=2 \tag{1} $$

  • $\begingroup$ Perfect. Thanks. It provides right margin numbering. $\endgroup$ – KeithSmith Dec 23 '12 at 16:05
  • $\begingroup$ How do you align a non-numbered equation with that? For example, if I had several intermediate steps that led up to $1+1=2$, but didn't want them numbered, how would I format those steps? $\endgroup$ – user32023 Sep 23 '17 at 14:22
  • $\begingroup$ If you mean outside MathJax, it is probably best to ask on TeX - LaTeX, but it sounds partly like a job for the align command. $\endgroup$ – Qmechanic Sep 23 '17 at 14:28

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