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Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; uppercase Σ, lowercase σ, lowercase in word-final position ς; 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.
Sigma (uppercase Σ, lowercase σ) is the 18th letter of the Modern Greek alphabet. In Gematria it has the value of 200. The alternative form of sigma (ς) must be used in word-final position. The Greek letter sigma was derived from the Phoenician letter šīn, meaning tooth.
Greek alphabet letters are used as math and science symbols.
Upper Case LetterLower Case LetterGreek Letter NameEnglish EquivalentΑαAlphaaΒβBetabΓγGammagΔδDeltadSigma (maiúscula Σ, minúsculas σ ou ς; em grego: σίγμα, transl.: sígma) é a décima oitava letra do alfabeto grego e que corresponde, no alfabeto latino, ao S. No sistema numérico grego, tem o valor 200.
The letter sigma, in standard orthography, has two variants: ς, used only at the ends of words, and σ, used elsewhere. The form ϲ (" lunate sigma ", resembling a Latin c ) is a medieval stylistic variant that can be used in both environments without the final/non-final distinction.
19 de ago. de 2023 · Lower-case sigma ( σίγμα ), the 18th letter of the ancient Greek alphabet. It represented the voiceless alveolar fricative /s/. It is preceded by ρ and followed by τ. Derived terms [ edit] See also sigma.
Há 3 dias · sigma, specifically : the name of the Greek-script letter Σ / σ, ς. ( mathematics) the symbol Σ, used to indicate summation of a set or series. ( statistics) the symbol σ, used to indicate one standard deviation from the mean, specifically in a normal distribution.
