alpha in mathematics often represents angles in algebra. in statistics, the significance level when...
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𝛼 ΑAlpha
In Mathematics
• Often represents angles in algebra.
• In statistics, the significance level when a Normal Distribution is used.
• Alpha Radiation• Angular acceleration• In Zoology, used to
name dominant individual in wolf or dog pack.
In Science
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𝛽ΒBeta
• Beta Radiation
In Science
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𝛾 ΓGamma
In Mathematics
• Chromatic Number of a graph.
• is the Gamma Function. It allows the factorial function to be extended to real/negative/complex numbers.
• In statistics, the distribution is the conceptual opposite of the Multinomial.
• In Computer Science, the tape alphabet of a Turing Machine.
• Gamma Radiation in nuclear physics.
• Heat Capacity Ratio in thermodynamics.
• Surface Energy in materials science.
In Science
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𝜀∈ ΕEpsilon
In Mathematics
• is an arbitrarily small positive constant.
• means “is an element of” in Set Theory.
• In Computer Science, denotes an empty string.
• In statistics, to refer to error terms.
• refers to elasticity in Economics.
• Electromotive force.• In Astronomy, the 5th
biggest star in a constellation.
In Science
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𝜁 ΖZeta
In Mathematics
• is the Riemann Zeta Function. • The damping ratio of an oscillating system.
• Effective nuclear charge on an electron.
In Science
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𝜂ΗEta
In Mathematics
• is the Dirichlet Eta Function in number theory.
• -mesons in particle physics.
• The efficiency of a power supply.
• In Oceonography, the measurement of sea-level height above the mean in that location.
In Science
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𝜃ΘTheta
In Mathematics
• is often used to denote an angle.
• In probability, often denotes the likelihood function (i.e. ).
• One of the Chebyshev Functions in Prime Number Theory.
• In Computer Science, “Big Theta” puts a bound on the complexity of an algorithm.
• The potential temperature in Meteorology.
• In neuroscience, Brain Signal Frequency ranging from 4-8Hz.
In Science
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𝜄 ΙIota
In Mathematics
• Can be used as the value of , but a regular ‘’ is more typically used.
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𝜅 ΚKappa
In Mathematics
• In graph theory, is the minimum number of edges that need to be removed from a graph to make it ‘disconnected’.
• A measurement of ‘inter-rater reliability’ in surveys, i.e. how consistent people’s responses were.
• In Chemistry, the compressibility of a compound.
In Science
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𝜆 ΛLambda
In Mathematics
• Sometimes used to mean the ‘empty set’ in Set Theory, although more often used.
• In lambda calculus represents a nameless function, e.g. means
• An eigenvalue of a matrix.• is a set of logical axioms in
First Order Logic.
• The wavelength of any wave.
• is the half life of a radioactive material.
In Science
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𝜇ΜMu
In Mathematics
• indicates the mean in a Normal Distribution.
• The population mean.• The Mobius Function in
number theory.• The Integrating Factor in
differential equations.• The coefficient of friction in
mechanics.
• The elementary particles called the muon and antimuon.
• The chemical potential of a system in thermodynamics.
In Science
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𝜈 ΝNu
In Mathematics
• is the degree of freedom in statistics.
• is the frequency of a wave.
• is the number of neutrons released per fission.
• Any of the three kinds of neutrino in particle physics.
In Science
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𝜉 ΞXi
In Mathematics
• Eigenvectors.• The ‘universal set’ in set
theory.• Often used to denote random
variables in statistics.
• The correlation function in astronomy.
• Potential difference in Physics (in Volts).
In Science
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𝜊ΟOmicron
In Mathematics
• Originally used in ‘Big O’ notation, which describes how a function asymptotically grows, although a normal ‘O’ is preferred.
• The 13th biggest star in a constellation group.
In Science
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𝜋 ΠPi
In Mathematics
•The ratio between the diameter and circumference of a circle.
• is the product of expressions, e.g.
• The ‘prime counting function’ is the number of primes numbers up to a given integer .
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𝜌 ΡRho
In Mathematics
• Various densities (e.g. )• A plastic number (a unique
real solution to )• is the spectral radius of a
matrix .• Spearman’s Rank Correlation
Coefficient in statistics.
• indicates resistivity.• In molecular biology,
the Rho Protein responsible for the termination of RNA synthesis.
In Science
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𝜎 Σ𝜍Sigma
In Mathematics
• is the population standard deviation in statistics, or the standard deviation of a Normal Distribution.
• is used to sum expressions.E.g.
• The covariance matrix in statistics.
• finds the sum of the factors of , e.g.
• -receptor in biology.• used for surface
tension.• -bonds in chemistry.• A measure of
electrical conductivity.
In Science
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𝜏 ΤTau
In Mathematics
• is twice as big as .• Torsion of a curve in
differential geometry.• The tau function in number
theory.
• Often used in Physics as a time variable (particularly if is already being used for temperature).
• Torque, the rotational force in mechanics.
• Tau Protein associated with diseases such as Alzheimer’s.
In Science
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𝜐ΥUpsilon
• is the Upsilon Particle in particle physics.
In Science
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𝜙ΦPhi
In Mathematics
• is the Golden Ratio.• is the Probability Density
Function for the Normal Distribution.
• A sentence in First Order Logic.• is Euler’s Totient Function. It
gives the number of values up to where the greatest common divisor of that number and is 1. e.g.:, because and
• The aromatic functional group in organic chemistry.
• Porosity in geology.
In Science
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𝜒 ΧChi
In Mathematics
• The (“Chi Squared”) distribution in statistics, frequently used in hypothesis testing.
• In topology, the Euler characteristic of a surface.
• In chemistry, the mole fraction and electronegativity.
• The optic chiasm in neurology (due to its shape resembling the letter)
In Science
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𝜓ΨPsi
In Mathematics
• The sum of the reciprocals of the Fibonacci numbers:
• The Polygamma Function.
• Used to represent wave functions in quantum mechanics.
• Water Potential in movement of water between plant cells.
• The -meson in particle physics.
• In astronomy, the planet Neptune.
In Science
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𝜔ΩOmega
In Mathematics
• In statistics, used to indicate the sample space, i.e. the set of possible outcomes.
• is the Omega Constant, a solution of the Lambert-W function.
• The omega subgroups in group theory.
• are the complex cube roots of 1.
• is the number of distinct factors of . e.g.
• is the unit of electrical resistance.
• -baryons in particle physics.
• is angular velocity.• is the ranking of a
star’s brightness within a constellation.
In Science