Alternatives to Mathematica had only the now-obsolete "big-list" tag on it. I replaced it with guidelines but that isn't really appropriate because it is not about guidelines for using Mathematica. How should we tag it? Or since this question really isn't about Mathematica itself should it even be here?
I am not happy with the proposals, and no one made a compelling argument that this question really belongs here, therefore I have Locked it for "historical significance" which is one of the standardized reasons; I think it fits quite well:
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symbolic
,visualization
, etc. to avoid the introduction of new tags for such questions. Why avoid that? Because one might argue that this question is a borderline one ... technically it might belong on SciComp.SE but in practice it may receive better responses here. The TeX.SE equivalent question is taggedtypesetting
.