epsilon

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epsilon

(ep -să-lon) () The fifth letter of the Greek alphabet, used in stellar nomenclature usually to designate the fifth-brightest star in a constellation.

EPSILON

(language)
A macro language with high level features including strings and lists, developed by A.P. Ershov at Novosibirsk in 1967. EPSILON was used to implement ALGOL 68 on the M-220.

["Application of the Machine-Oriented Language Epsilon to Software Development", I.V. Pottosin et al, in Machine Oriented Higher Level Languages, W. van der Poel, N-H 1974, pp. 417-434].

epsilon

(character)
The fifth letter of the Greek alphabet.

epsilon

(mathematics)
(From the Hungarian mathematician Paul Erdos) A very small, insignificant, or negligible quantity of something.

The use of epsilon is from the epsilon-delta method of proof in differential calculus.