E (disambiguation)

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E is the fifth letter of the Latin alphabet.

E or e may also refer to:

Commerce and transportation[edit]

Medicine and genetics[edit]

Physics and engineering[edit]

Mathematics and logic[edit]

  • e (mathematical constant), also known as Euler's number and Napier's constant, a transcendental number and the base of natural logarithms, approximately equal to 2.718
  • E notation, or scientific notation, a way of writing very large and very small numbers
  • ∃ (a backwards E) or existential quantification, the symbol for "there exists...", in predicate logic; ∃! meaning "there exists only one" (or "there exists exactly one") - see Uniqueness quantification
  • E, 14 in hexadecimal and other positional numeral systems of a base of 15 or higher
  • E or Expected value, the average expected outcome of a trial in probability theory
  • e, the identity element

Computing and computation[edit]


Television and film[edit]

  • E!, Entertainment Television, an American cable and satellite TV network
  • E! (Canada):
    • E! (Canadian TV system), a defunct over-the-air television system operated by Canwest from 2001 to 2009 (originally known as CH until 2007)
    • E! (Canadian TV channel), a Canadian cable/satellite specialty channel owned by Bell Media that launched in November 2010.
  • E (2006 film), a 2006 Tamil film
  • E (2017 film)
  • E, or Edna Mode, a character from the movie The Incredibles
  • E, or Eric Murphy, a character from the television series Entourage




Letters and other characters[edit]

  • Ⓔ or ⓔ or (e) or (E) - circled-E or circled-E, see Enclosed Alphanumerics
  • É or é - e-acute, an accented letter of many Latin alphabets.
  • È or è - e-grave, another accented letter of many Latin alphabets.

Other usage[edit]

See also[edit]