1 Alpha (Α, α): Angle; Lambda (λ, Λ): Wavelength; Base of natural logarithms.2 Beta (Β, β): Magnetic flux constant; Coefficient.3 Gamma (Γ, γ): Electromagnetic conductivity; Quantum.4 Delta (Δ, δ): Change; Density; Refractive index.5 Epsilon (Ε, ε): Base of logarithms.6 Zeta (Ζ, ζ): Coefficient; Azimuth; Impedance; Viscosity; Atomic number.7 Eta (Η, η): Magnetic hysteresis constant; Efficiency.8 Theta (Θ, θ): Temperature; Phase angle.9 Iota (Ι, ι): Micro; A small amount.10 Kappa (Κ, κ): Medium constant.11 Lambda (Λ, λ): Length; Volume.12 Mu (Μ, μ): Magnetic permeability; Micro; Amplification factor.13 Nu (Ν, ν): Magnetic resistance constant.14 Xi (Ξ, ξ): Uncertainty.15 Omicron (Ο, ο): Variable.16 Pi (Π, π):圓周率，等于圓周長除以直徑，約為3.1416；Area of a circle.17 Rho (Ρ, ρ): Resistance constant; Density.18 Sigma (Σ, σ): Sum; Surface density; Transconductance.19 Tau (Τ, τ): Time constant.20 Upsilon (Υ, υ): Displacement.21 Phi (Φ, φ): Magnetic flux; Angle.22 Chi (Χ, χ): Uncertainty.23 Psi (Ψ, ψ): Angular velocity; Electric flux per unit area in a static electric field; Angle.24 Omega (Ω, ω): Ohm (big); Angular velocity (small); Angle.