Re: Contour integral symbol not displaying in equations #mathjax


smmuller@...
 

Based on these stackexchange posts (here, and here), it looks like you would have to install a separate package to support those. I have no idea how you would do that, but I know that Libretexts added the mhchem extension so it's probably possible.
One workaround would be to just copy paste the unicode symbols for them (∯, ∰) into the equation - that's working for me in Libretexts.

0.5 ∯_{\mathrm{A}} \overline{\mathrm{\underline{S}}} \bullet \hat{n} \mathrm{da}+∰_{\mathrm{V}}\left[\left\langle\mathrm{P}_{\mathrm{d}}(\mathrm{t})\right\rangle+2 \mathrm{j} \omega\left(\mathrm{W}_{\mathrm{m}}-\mathrm{W}_{\mathrm{e}}\right)\right] \mathrm{d} \mathrm{v}=0

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