There is no concrete answer to that question.
The portion of BF2016's Appendix G to which you refer would likely justify including all math symbols used in a volume.
Nonetheless, I would advise against it. I would at least leave out equals, plus, minus, and the multiplication cross.
Alas, Special Symbols Pages (what to include and what to call the entries) is so dependent on the actual content of the transcription as well as the experience of the reader that it is often as much art as science to create a Special Symbols Page.