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Sigma (/ ˈsɪɡmə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; ‹See Tfd› 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.
Greek alphabet letters and symbols. Greek letters pronunciation.
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.
In both Ancient and Modern Greek, the letters of the Greek alphabet have fairly stable and consistent symbol-to-sound mappings, making pronunciation of words largely predictable. Ancient Greek spelling was generally near- phonemic.
Sigma (uppercase/lowercase Σ σ ς) is the 18th letter of the Greek alphabet. It is used to represent the "s" sound in Ancient and Modern Greek. In the system of Greek numerals, it has a value of 200. Letters that came from it include the Roman S and Cyrillic С.
Lower-case sigma , the 18th letter of the ancient Greek alphabet. It represented the voiceless alveolar fricative /s/. It is preceded by ρ and followed by τ.
Sigma ( σίγμα) is the eighteenth Greek letter written as Σ uppercase and σ/ς or Ϲ ϲ in lowercase. The sigma symbol is used to denote sigma bonds (chemistry), the summation operator, velocity dispersion (astronomy), sigma receptor (biology) and sigma constant (chemistry) among other things.
Dive into the world of Sigma, the 18th letter of the Greek alphabet, as we trace its journey from the Phoenician script to its vital role in contemporary science, technology, and culture. This guide will explore Sigma’s historical origins, cultural significance, and enduring impact through the ages.
Greek Letter Sigma (Σίγμα - Σ) The letter "s" came from the Semitic alphabet, where it was once shaped like latin "W". (The Hebrew "shin", familiar to most people from Jewish religious objects, is the same letter.)
Sigma (uppercase Σ, lowercase σ or in word-final position ς; Greek: σίγμα) is the 18th letter of the Greek alphabet. In the Greek numeral system, the Sigma symbol denotes the value of 200. Sigma is the only one of the 24 Greek alphabet letters that has two different lowercase symbols.