Xi (uppercase Ξ or Ξ, lowercase ξ; Greek: ... - dofaq.co
xi (letter)

Xi (uppercase Ξ or Ξ, lowercase ξ; Greek: ...

wikipedia - 29 Nov 2021
Xi (uppercase Ξ or Ξ, lowercase ξ; Greek: ξι) is the 14th letter of the Greek alphabet. It is pronounced [ksi] in Modern Greek, and generally /zaɪ/ or /ksaɪ/ in English.[1] In the system of Greek numerals, it has a value of 60. Xi was derived from the Phoenician letter samekh .

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