Mathematical operators and symbols in Unicode (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Mathematical operators and symbols in Unicode" in English language version.

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More symbols are supported by TeX math packages, see e.g. Will Robertson, Symbols defined by unicode-math.
The quadruple arrows U+2B45 and U+2B46 are supported by TeX math packages, per Will Robertson, Symbols defined by unicode-math.

"Unicode Technical Report #25: Unicode Support for Mathematics" (PDF). The Unicode Consortium. 2 April 2012. Retrieved 14 August 2014.
"Unicode Character Database: Derived Core Properties". The Unicode Consortium. 19 February 2014. Retrieved 14 August 2014.
"Unicode Technical Annex #44: Unicode Character Database" (PDF). The Unicode Consortium. 25 September 2013. Retrieved 14 August 2014.
See https://www.unicode.org/Public/UCD/latest/ucd/DerivedCoreProperties.txt
As per Unicode 15.1.0, the ASCII hyphen-minus is not a mathematical symbol. To express the minus sign in math, U+2212 − MINUS SIGN is used instead.
As per Unicode 15.1.0, the degree sign is not a mathematical symbol, since it is a measurement unit symbol rather than a math symbol. Consistently, TeX packages support many non-math symbols. But this article is designed to cover only Unicode characters with a derived property of "Math".