NationMaster - Encyclopedia: Xi (letter)

Obsolete letters
Greek alphabet
Α α Alpha	Β β Beta
Γ γ Gamma	Δ δ Delta
Ε ε Epsilon	Ζ ζ Zeta
Η η Eta	Θ θ Theta
Ι ι Iota	Κ κ Kappa
Λ λ Lambda	Μ μ Mu
Ν ν Nu	Ξ ξ Xi
Ο ο Omicron	Π π Pi
Ρ ρ Rho	Σ σ Sigma
Τ τ Tau	Υ υ Upsilon
Φ φ Phi	Χ χ Chi
Ψ ψ Psi	Ω ω Omega
Ϝ ϝ Digamma	Ϻ ϻ San
Ϙ ϙ Qoppa	Ϡ ϡ Sampi

Xi (upper case Ξ, lower case ξ) is the 14th letter of the Greek alphabet. In the system of Greek numerals it has a value of 60.

The upper-case letter Ξ is used as symbol for:

The 'cascade particles' in particle physics.

Categories: Greek letters

Results from FactBites:

Xi - Wikipedia, the free encyclopedia (132 words)
	Xi (upper case Ξ, lower case ξ) is the 14th letter of the Greek alphabet.
	The lower-case letter ξ is used as a symbol for:
	Xi was also adopted into the early Cyrillic alphabet, as the letter ksi (Ѯ, ѯ).

XI. Letter-Writers: Bibliography. Vol. 10. The Age of Johnson. The Cambridge History of English and American ... (971 words)
	Letters from an early age to the age of 23.
	1825, Letters to the Earl of Hertford and to the Rev. Henry Zouch.
	Letters to the Earl of Hertford and the Rev. Henry Zouch.

More results at FactBites »

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