XI

See also: Xi (homonymy)

Xi or Ksi (capital Ξ , tiny ξ ), in Greek ξῖ , letter of the Greek alphabet is the fourteenth. In Greek Numeration, xi is worth 60. The letter decides /ks/ (as in taxi or excel ), never /gz/ (as in exact xylophone or ).

Use

Tiny the ξ is a symbol used for:
  • a Random variable in mathematics.
  • singular pressure losses in Mechanical of the fluids.
  • the Advance of a chemical reaction.

The capital letter Ξ is used to represent:

  • the Baryon S in Physical of the particles.

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