Epsilon (US: / ˈɛpsɪlɒn / ⓘ, [1] UK: / ɛpˈsaɪlən /; [2] uppercase Ε, lowercase ε or ϵ; Greek: έψιλον) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel IPA: [e̞] or IPA: [ɛ̝]. In the system of Greek numerals it also has the value five. It was derived from the Phoenician letter He .

The ε (epsilon) symbol is a Greek letter used in math as a variable to represent error bounds and in calculus to represent the epsilon-delta definition of limits.

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Get both uppercase (Ε) and lowercase (ε) epsilon symbols. Easy to copy and paste, with complete information about usage and typing methods. What is the Epsilon Symbol? The lowercase epsilon (ε) is the fifth letter of the Greek alphabet, representing the 'e' sound in Greek.

Oct 17, 2019 · Read about the epsilon symbol, the fifth letter of the Greek alphabet, its meaning, origins and uses in math and science in our detailed post on Mythologian.

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Epsilon (uppercase Ε, lowercase ε or lunate ϵ; Greek: έψιλον) is the fifth letter of the Greek alphabet. Just like other Greek alphabet letters, it also represents a value in the Greek numeral system. It has a value of 5. The Epsilon symbol is believed to have been adopted from the Phoenician letter He.

Dec 5, 2022 · Epsilon is the fifth letter in the Greek alphabet that represents the numeric value of 5 and is a variable. Epsilon is written in three forms: uppercase E, lowercase ε, and lunate ϵ. …

Epsilon (uppercase Ε, lowercase ε) is the fifth letter of the Greek alphabet. In the Greek numeral system, it has a value of five. The letter came from the Phoenician letter hē, which means window. The lowercase epsilon is commonly used in astronomy, computer science, chemistry, statistics, continuum mechanics and economics.

Feb 14, 2025 · From Ancient Greek ἒ ψιλόν (è psilón, “simple Ε ”). The fifth letter of the Greek alphabet, ε or Ε, preceded by delta (Δ, δ) and followed by zeta (Ζ, ζ). (phonetics) In IPA, the phonetic symbol ɛ that represents the open-mid front unrounded vowel. (mathematics) An arbitrarily small quantity.