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ε (EN)
stafur, tákn

stafur “ε”

ε, epsilon
  1. fimmta stafrófsbókstafur gríska stafrófsins (epsilon)
    In Greek writing, words like "ἐλπίς" (hope) begin with an ε.

tákn “ε”

ε
  1. (í stærðfræði) jákvæð tala sem er af handahófi lítil
    In calculus, we let ε be as small as needed to make the function values close to the limit.