See also: Gamma (homonymy)

Gamma (capital Γ , tiny γ ), in Greek γάμμα , of the Greek alphabet is the third letter. In Greek numeration, gamma is worth 3.

The Latin letters C and G as well as the letter Cyrillique Г derive from Gamma.

The old Greek letter Digamma (whose C-W communication the letter F to make a phonetic distinction with the Greek letter phi gave rise to) also comes from this letter.

Unicode

Use

Capital letter Γ is used to represent:

• the function gamma (relating to the factorials) in mathematics;
• the Distribution Gamma in probabilities and statistics;
• the Moment of a force, in Physical;
• the Coefficient of reflection in electric Engineering.

Tiny the γ is used to represent:

• the Constant of Euler-Mascheroni in mathematics;
• a measurement of the Risk in mathematics of finance;
• the Physical Photon in of the particles;
• the gamma rays in physics;
• the adiabatic Index of a gas in physics (often the letter Kappa κ is used);
• the Constant of propagation of an electromagnetic wave;
• an old measuring unit of Density of the magnetic flux, gamma, being worth 1 nanotesla;
• an old measuring unit of Mass, gamma, being worth 1 microgram;
• gyromagnetic moment of a particle, in physics.

This letter gave its name to many things:

• the Correction gamma in Television;
• In the play Tetris, “gamma” is the other name of the Tétromino (assembly of 4 squares) J;
• In the play Sonic Adventure, E-102 Gamma is the name of a playable character (a robot).

The word gamma is used:

• in the name of the melody group of Speed Gamma Ray;
• in the name of the news agency Gamma;
• in the solid state physics, it is the center of zone of Brillouin which is called Gamma.

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