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## The Greek Alphabet

Physicists, mathematicians, and other scientists use the Greek alphabet because there are so many equations with so many variables, and they don't want to get the variables mixed up. So what are those Greek letters anyway? And how do you pronounce them? Here is a list below:

The Greek Alphabet
Name Uppercase Lowercase Common Uses
Uppercase
Lowercase
Alpha A a
Generic Angular Measurement
Angular Acceleration
Mean Temperature Coefficient of Resistivity
Coefficient of Linear Expansion
Fine Structure Constant
Beta B b
Generic Angular Measurement
Speed Parameter
Sound Level
Coefficient of Volume Expansion
Gamma G g Torque
Generic Angular Measurement
Lorentz Factor
Specific Heat Ratio
Gamma Radiation (High Energy Electromagnetic Emission)
Delta D d Change in
Partial Charge
Epsilon E e
Permittivity of Free Space Constant e0
Zeta Z z

Eta H h
Viscosity
Theta Q q, J
Angular Position
Iota I i

Kappa K k
Dielectric Constant
Wave Number
Torsion Constant
Lambda L l
Wavelength
Linear Charge Density
Mean Free Path
Mu M m
Coefficient of Friction
Magnetic Moment
Linear Density
Micro- (SI Prefix, 10-6)
Permeability of Free Space Constant m0
Nu N n
Frequency
Xi X x

Omicron O o

Pi P p Osmotic Pressure
Ratio of Circumfrence to Diameter in a Circle
Rho R r
Density
Resistivity
Sigma S s, V Summation of
Conductivity
Surface Charge Density
Population Standard Deviation
Stefan-Boltzmann Constant
Tau T t
Torque
Time Constant
Tension
Upsilon U u

Phi F f, j Magnetic Flux
Electric Flux
Magnetic Flux
Phase Angle/Difference
Chi C c
Statistical Test c2
Psi Y y Electric Flux
Deviation Angle
Omega W w, v Ohm (Unit of Electrical Resistance)
Precession Rate
Angular Speed
Angular Frequency
Created by TQ Team 16600: Clyde, Chetan, Jim
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