Greek Symbols

Xi Symbol in Greek Alphabet

Xi or Csi (uppercase Ξ, lowercase ξ) is the 14th letter of the Greek alphabet and it has the value 60 in the Greek number system. In both ancient and modern languages, the letter is pronounced as "ksi". The csi/xi came from the Phoenician language sāmek, which meant fish. Samekh or Simketh is the 15th letter of the Phoenician alphabet. The capital letter (Ξ) is used in statistical mechanics and particle physics. And the lowercase xi (ξ) represents the original Riemann Xi function, the damping ratio and the extent of a chemical reaction.

The uppercase letter xi (Ξ) is used to represent the cascade particle and xi baryon in physics. The letter is also used as a symbol in Harish-Chandra's Ξ function too. The lowercase xi letter (ξ) is used to denote eigenvectors, a universal set, the killing vector, state price density, spatial frequency, temporal frequency, the extent of reaction, etc. The lowercase letter is also used as a symbol for the initial mass function and the correlation function in astronomy.

Greek Capital Letter Xi Symbol

Ξ Ξ

Xi symbol decimal

Ξ Ξ

Xi symbol hex

Ξ &‌Xi;

Xi symbol named entity

Greek Small Letter Xi Symbol

ξ ξ

Xi symbol decimal

ξ ξ

Xi symbol hex

ξ &‌xi;

Xi symbol named entity

Xi Symbol Entity Codes Table

Xi Symbol NameSymbolDecimalHex EntityHtml Entity
Greek Capital Letter XiΞ&‌#926;&‌#x039E&‌Xi;
Greek Small Letter Xiξ&‌#958;&‌#x03BE&‌xi;
Copy and Paste Xi Symbol

Ξ

ξ




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