E0

E0 or E00 can refer to :

ε₀, in mathematics, (epsilon naught), the smallest transfinite ordinal number satisfying $\varepsilon _{0}=\omega ^{\varepsilon _{0}}$
ε₀, in physics, vacuum permittivity, the absolute dielectric permittivity of classical vacuum
E0 (cipher), a cipher used in the Bluetooth protocol
E0 (robot), a 1986 humanoid robot by Honda
E^o, in electrochemistry, the standard electrode potential, measuring individual potential of a reversible electrode at standard state
E0, the digital carrier for audio, specified in G.703
E0, Eos Airlines IATA code
E0, ethanol-free gasoline, see REC-90
e₀, in demographics, the life expectancy of an individual at birth (age zero)
E00, Cretinism ICD-10 code
E00, ECO code for certain variations of the Queen's Pawn Game chess opening
Enemy Zero, a 1996 Japanese horror video game for the Sega Saturn

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