Kappa

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 ς Sigma
Τ τ Tau	Υ υ Upsilon
Φ φ Phi	Χ χ Chi
Ψ ψ Psi	Ω ω Omega
obsolete letters
Digamma	San
Qoppa	Sampi
Ϛ ϛ Stigma	Sho

For other uses, see Kappa (disambiguation).

Kappa (upper case Κ, lower case κ) is the tenth letter of the Greek alphabet. In the system of Greek numerals it has a value of 20.

In mathematics, the kappa curve is named after this letter; the tangents of this curve were first calculated by Barrow (17th Century).

In physics, the torsional constant of an oscillator is given by κ.

The upper-case letter Κ is used as a symbol for:

• In textual criticism, the Byzantine text-type (from Κοινη, Koine, the common text).

The content of this page is retrieved from http://en.wikipedia.org/wiki/Kappa_%28letter%29 under GFDL