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u+037c ͼ greek small dotted lunate sigma symbol; u+037d ͽ greek small reversed dotted lunate sigma symbol; u+03a3 Σ greek capital letter sigma (σ) u+03c2 ς greek small letter final sigma (ς, ς, ς) u+03c3 σ greek small letter sigma (σ) u+03f2 ϲ greek lunate sigma symbol; u+03f9 Ϲ greek capital lunate ...
The OpenType font format has the feature tag "mgrk" ("Mathematical Greek") to identify a glyph as representing a Greek letter to be used in mathematical (as opposed to Greek language) contexts. The table below shows a comparison of Greek letters rendered in TeX and HTML. The font used in the TeX rendering is an italic style.
The summation symbol. Mathematical notation uses a symbol that compactly represents summation of many similar terms: the summation symbol, , an enlarged form of the upright capital Greek letter sigma. [1] This is defined as
Some know “sigma” as the 18th letter of the Greek alphabet ... Another definition for “sigma” says Lindsay, is “the best.” ... The teen version of “mewing” is a “hush” symbol ...
The symbol ϵ (U+03F5) is designated specifically for the lunate form, used as a technical symbol. The symbol ϑ ("script theta") is a cursive form of theta (θ), frequent in handwriting, and used with a specialized meaning as a technical symbol. The symbol ϰ ("kappa symbol") is a cursive form of kappa (κ), used as a technical symbol.
Sigma - A "sigma" (based on the Greek alphabet) is a male who has overcome the hierarchy of "alpha" and "beta" males, often characterized by silent success, or someone is a social outcast by ...
The numeral symbol, originally quite unrelated to the στ ligature, developed from the letter Ϝ, which stood for the sound /w/ in early pre-classical forms of the Greek alphabet. This symbol became obsolete as a letter during the classical era but remained part of the Greek alphabet-based system of numerals, where its value of 6 corresponded ...
Numerical symbols consisted probably of strokes or notches cut in wood or stone, which were intelligible across cultures. For example, one notch in a bone represented one animal, person, or object. Numerical notation's distinctive feature—symbols having both local and intrinsic values—implies a state of civilization at the period of its ...