Beta

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Beta (β) is the second letter of the Greek alphabet. Beta or BETA may also refer to:

Contents 1 Media 1.1 Film & Television 1.2 Internet and computing 1.3 Music 1.4 Misc 2 Places 3 Science 3.1 Biology 3.2 Finance 3.3 Mathematics 3.4 Physics 3.5 Psychology 4 Technology 4.1 Automotive 4.2 Computers-related 4.3 Other technology-related 5 Other uses 6 See also

[edit] Media

[edit] Film & Television

• Beta Quadrant, one of four quadrants in the galaxy in Star Trek.
• Beta Hirogen, the second in command of a Hirogen hunting party, as seen in Star Trek: Voyager.
• BETA, an organization in the 1986 TV series The Adventures of the Galaxy Rangers
• Beta, a 1992 Bollywood film directed by Indra Kumar
• Beings of the Extra Terrestrial origin which is Adversary of human race (BETA) an alien race from the video game series Muv-Luv.

[edit] Internet and computing

See also the 'technology' section, below.

• Beta version, a website or online project either in pre-release, during testing or shortly after release to the public.
• Beta, a term use for editor in the fanfiction community.
• B3ta, a British humour webcommunity
• Perpetual beta, a term used to describe software or a system which never leaves the development stage of beta.

[edit] Music

• Beta Recordings, a record label

[edit] Misc

• Beta (Magic: The Gathering), the second (revised) part of the first set of the card game Magic: The Gathering
• β is used (along with other Greek letters) in the Earthbound, or Mother, series of Nintendo RPGs as a classification of the strength of a PSI technique

[edit] Places

• Beta, Harghita (or Béta), a village in the commune of Mugeni, Harghita County, Romania

[edit] Science

[edit] Biology

• Beta (plant), a genus of flowering plants, mostly referred to as “beets”
• Beta male, a rank in a community of social animals
• Beta-endorphin, a kind of neurotransmitter
• Beta carbon, in organic chemistry — the second carbon atom in a chain when counting from a functional group
• Beta cell, a type of cell in the pancreas, which produces insulin
• Beta sheet, a secondary protein structure
• Beta car , a car that has been tuned up, modified

[edit] Finance

• Beta coefficient, a parameter in Capital Asset Pricing Model that describes how sensitive the expected return of a stock (or portfolio) is to the market

[edit] Mathematics

• β, the probability of Type II error in statistics.
• β error (also called false negative rate), in statistics — the error of failing to reject a null hypothesis when it is in fact false
• Beta distribution, in statistics — a family of continuous probability distributions
• Euler's Beta function, a special function also known as the Euler integral of the first kind
• Dirichlet beta function
• Standardized coefficient (also sometimes called beta coefficient), in statistics — the estimate of an analysis performed on variables that have been standardized so that they have variances of 1

[edit] Physics

• Beta (plasma physics), β, in plasma physics — the ratio of thermal to magnetic pressure in plasma
• Beta (velocity), β, in special relativity — the speed of an object relative to the speed of light
• Beta-function, β(g), in quantum field theory — a function that encodes the dependence of a coupling constant]], g, on the energy scale, μ, of a given physical process
• Beta particle, a name used to refer to high-energy electrons (β⁻) or positrons (β⁺) emitted by certain types of radioactive nuclei
• Compressibility, β, a measure of the relative volume change of a fluid or solid as a response to a pressure change
• Thermodynamic beta, β, in thermodynamics and statistical mechanics — a numerical quantity related to the thermodynamic temperature of a system

[edit] Psychology

• Beta movement, a perceptual illusion whereby two or more still images are combined by the brain into surmised motion
• Type-beta personality, now commonly referred to as type-B (see Type A and Type B personality theory)

[edit] Technology

[edit] Automotive

• Beta (motorcycle manufacturer), an Italian off-road motorcycles manufacturer
• Lancia Beta, a car produced by Lancia

[edit] Computers-related

• BETA (programming language), a programming language
• Beta-reduction (or β-reduction), a reduction rule for lambda calculus (see also Beta normal form)
• Beta version, a development stage of software wherein the software application is released to an enthusiastic public for large-scale testing and bug discovery

[edit] Other technology-related

• Beta (time signal), a time signal service broadcast in the Very Low Frequency range in Russia
• Beta, β, the common-emitter current gain of a Bipolar Junction Transistor
• Betamax, home videocassette tape recording format developed by Sony
  • Betacam, a family of half-inch professional videotape products developed by Sony

[edit] Other uses

• Beta (climbing), route guidance for rock climbers
• Hurricane Beta (2005), a 2005 hurricane
• National Beta Club, a high school honor society
• Beta quadra, one of the four quadras in socionics
• Beta Theta Pi (ΒΘΠ), a social collegiate fraternity at Miami University in Oxford, Ohio, USA; part of the Miami Triad
• β, a symbol used to represent the voiced bilabial fricative sound in the International Phonetic Alphabet
• Beta Utensili, an Italian manufacturer of tools

[edit] See also

• Betta, a genus of fish, often misspelled “beta”
• ß, a German letter that resembles β

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