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

For other uses, see Kappa (disambiguation).

Kappa (majuscule Κ, minuscule κ) is the 10th letter of the Greek alphabet, used to represent the voiceless velar stop, or "k", sound in Ancient and Modern Greek. In the system of Greek numerals it has a value of 20. It was derived from the Phoenician letter Kaph. Letters that arose from kappa include the Roman K and Cyrillic Ka. Image File history File links Greek_alphabet_kappa. ... Due to technical limitations, some web browsers may not display some special characters in this article. ... Alpha (uppercase Α, lowercase α) is the first letter of the Greek alphabet. ... For other uses, see Nu. ... Beta (upper case Î’, lower case β) is the second letter of the Greek alphabet. ... Xi (upper case Ξ, lower case ξ) is the 14th letter of the Greek alphabet. ... Gamma (uppercase Γ, lowercase γ) is the third letter of the Greek alphabet. ... Omicron (upper case Ο, lower case ο, literally small o) is the 15th letter of the Greek alphabet. ... For other uses, see Delta. ... For other uses, see Pi (disambiguation) Pi (upper case Π, lower case Ï€ or Ï–) is the sixteenth letter of the Greek alphabet. ... For the 2005 hurricane, see Hurricane Epsilon. ... Rho (upper case Ρ, lower case ρ) is the 17th letter of the Greek alphabet. ... Zeta (upper case Ζ, lower case ζ) is the sixth letter of the Greek alphabet. ... For other uses, see Sigma (disambiguation). ... For other uses, see Eta. ... Tau (upper case Τ, lower case Ï„) is the 19th letter of the Greek alphabet. ... Theta (upper case Θ, lower case θ or ) is the eighth letter of the Greek alphabet. ... Upsilon (upper case , lower case ) is the 20th letter of the Greek alphabet. ... For programming language, see Iota and Jot. ... Phi (upper case Φ, lower case φ or ) is the 21st letter of the Greek alphabet. ... Chi (upper case Χ, lower case χ) is the 22nd letter of the Greek alphabet. ... Lambda (upper case Λ, lower case λ) is the 11th letter of the Greek alphabet. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... For other uses, see Mu. ... Note: This article contains special characters. ... Digamma (upper case , lower case ) is an archaic letter of the Greek alphabet, used primarily as a Greek numeral. ... San (uppercase , lowercase ) was a letter of the Greek alphabet, appearing between Pi and Qoppa in alphabetical order, corresponding in position although not in name to the Phoenician tsade. ... Qoppa Qoppa is an obsolete letter of the Greek alphabet and has a numeric value of 90. ... Sampi (Upper case Ϡ, lower case ϡ) is an obsolete letter of the Greek alphabet and has a numeric value of 900. ... Stigma is a ligature of the Greek letters sigma and tau, sometimes used nowadays to represent the Greek numeral 6. ... Sho (uppercase , lowercase ) was a letter added to the Greek alphabet in order to write the Bactrian language. ... Kappa may be: Kappa, a letter of the Greek alphabet Kappa (mythology) Kappa (short story), a work by Ryunosuke Akutagawa Kappa (Finnish measurement) Kappa (company), an Italian fashion company Kappa (rocket) Kappa Publishing Group Kappa, Illinois Kappa Mikey, an American animated television series Cohens kappa GM Kappa platform Lancia... Due to technical limitations, some web browsers may not display some special characters in this article. ... The voiceless velar plosive is a type of consonantal sound, used in some spoken languages. ... Note: This article contains special characters. ... Modern Greek (Νεοελληνική, lit. ... Kaph (also spelled Kap or Kaf) is the eleventh letter of many Semitic abjads, including Phoenician, Aramaic, Hebrew and Arabic alphabet . Its value is IPA . ... The letter K is the eleventh letter in the Latin alphabet. ... Ka (К, к) is a letter in the Cyrillic alphabet. ...

Greek proper names and placenames containing kappa are often written in English with "c" due to contemporary rendering into the Latin alphabet by ancient Romans. However, modern transliteration of the Greek language invariably use the letter "k". Compare Κυνοσκεφαλαι, Cynoscephalae (ancient placename); κυνος κεφαλαι, kunos kephalai (phrase). The Latin alphabet, also called the Roman alphabet, is the most widely used alphabetic writing system in the world today. ...

Greek word καί written with a handwritten variant of kappa, from the Byzantine period

In mathematics, the kappa curve is named after this letter; the tangents of this curve were first calculated by Barrow (17th Century). Image File history File links Kappa-variant. ... Euclid, a famous Greek mathematician known as the father of geometry, is shown here in detail from The School of Athens by Raphael. ... The kappa curve has two vertical asymptotes. ... In mathematics, the word tangent has two distinct, but etymologically-related meanings: one in geometry, and one in trigonometry. ... In mathematics, the concept of a curve tries to capture the intuitive idea of a geometrical one-dimensional and continuous object. ... Isaac Barrow Isaac Barrow (1630 - May 4, 1677) was an English divine, scholar and mathematician who is generally given minor credit for his role in the development of modern calculus; in particular, for his work regarding the tangent; for example, Barrow is given credit for being the first to calculate... (16th century - 17th century - 18th century - more centuries) As a means of recording the passage of time, the 17th century was that century which lasted from 1601-1700. ...

Symbol

In graph theory, the connectivity of a graph is given by κ. A labeled graph with 6 vertices and 7 edges. ... In mathematics and computer science the connectivity of graphs is one of the basic concepts of graph theory. ...

In differential geometry, the curvature of a curve is given by κ. In mathematics, differential topology is the field dealing with differentiable functions on differentiable manifolds. ... Curvature refers to a number of loosely related concepts in different areas of geometry. ...

In physics, the torsional constant of an oscillator is given by κ. The first few hydrogen atom electron orbitals shown as cross-sections with color-coded probability density. ... In classical mechanics, a torsion coefficient is a property of torsion springs. ... Oscillation is the periodic variation, typically in time, of some measure as seen, for example, in a swinging pendulum. ...

In physics, the dielectric constant of a capacitor is also given by κ. The first few hydrogen atom electron orbitals shown as cross-sections with color-coded probability density. ... The dielectric constant εr (represented as or K in some cases) is defined as the ratio: where εs is the static permittivity of the material in question, and ε0 is the vacuum permittivity. ... A capacitor is a device that stores energy in the electric field created between a pair of conductors on which electric charges of equal magnitude, but opposite sign, have been placed. ...

In psychology and psychiatry, kappa represents a measure of diagnostic reliability. Psychology (Gk: psyche, soul or mind + logos, speech) is an academic and applied field involving the study of the human mind, brain, and behavior. ... Psychiatry is a medical speciality whose primary goal is the treatment of mental illness. ...

In biology, kappa and kappa prime are important nucleotide motifs for a tertiary interaction of group II introns. Biology is the branch of science dealing with the study of life. ... A nucleotide is a chemical compound that consists of a heterocyclic base, a sugar, and one or more phosphate groups. ...

Upper-case letter Κ is used as a symbol for:

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