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Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Ancient Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as an operator for summation.
This is a list of letters of the Greek alphabet. The definition of a Greek letter for this list is a character encoded in the Unicode standard that a has script property of "Greek" and the general category of "Letter". An overview of the distribution of Greek letters is given in Greek script in Unicode.
The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC. [2] [3] It was derived from the earlier Phoenician alphabet, [4] and is the earliest known alphabetic script to have developed distinct letters for consonants as well as vowels. [5]
Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude. According to Know Your Meme, sigma is “referring to a supposed classification for men ...
The corresponding letter of the Ugaritic alphabet is 𐎕 ṣade. The letter is named "tsadek" in Yiddish, [1] and Hebrew speakers often give it a similar name as well. This name for the letter probably originated from a fast recitation of the alphabet (i.e., "tsadi, qoph" → "tsadiq, qoph"), influenced by the Hebrew word tzadik, meaning ...
Sigma (Σ or σ, word-final lowercase ς) is the 18th letter of the Greek alphabet. Sigma may also refer to: Companies and organizations
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The capital and miniscule forms of sigma, the 18th letter of the Greek alphabet. French Lettre grecque majuscule et minuscule sigma, la 18e lettre de l'alphabet grec.