From Wikipedia, the free encyclopedia
"e-" redirects here. For the Internet-related prefix e-, see
wikt:e- .
Look up
E ,
e , or
è in Wiktionary, the free dictionary.
E is the fifth letter of the Latin alphabet.
E or e may also refer to:
Computing and computation
E (1970s text editor) , a text editor developed at the Stanford AI Lab in the 1970s
E (complexity) , a set of decision problems solvable by a Turing machine in a specific time
/e/ (operating system) , a fork of LineageOS, which in turn is based on Android
E (PC DOS) , a text editor
E (programming language) , an object-oriented programming language
E (theorem prover) , a modern, high performance prover for first-order logic
e (verification language) hardware verification language
Amiga E , a programming language
E or
Enlightenment (software) , a free software open source manager for X Window System
Commerce and transportation
€, the symbol for the
euro , the European Union's standard currency unit
℮, the
estimated sign , an EU symbol indicating that the weight or volume of pre-packaged goods is within specific allowable tolerances
E, the country identifier for
vehicle registration plates of Spain
E, a Polish electric locomotive in
PKP classification system
E or
Eni , an Italian oil and gas company
E-Mark, an approval mark for automotive products in Europe under the
World Forum for Harmonization of Vehicle Regulations
E (Los Angeles Railway)
E (New York City Subway service) , a subway service in New York
E Line (Los Angeles Metro)
Line E (Buenos Aires Underground) of the Buenos Aires Subte
RER E , a line in the RER of Paris
Toei Ōedo Line , a subway service operated by the Tokyo Metropolitan Bureau of Transportation (Toei), labeled
The official West Japan Railway Company service symbol for:
E or
east , one of the four cardinal directions
E (state) , a vassal state in Zhou Dynasty China (1046–256 BC)
E Township, Maine , an unincorporated community in USA
Mount E (Japanese: 恵山 , romanized: E-san ,
lit. 'Mount Wisdom'), a stratovolcano on Oshima Peninsula, Japan
River E , a river in Scotland
E postcode area , for east London
E,
New Brunswick 's postal code
Hubei , abbreviated in Chinese as È (鄂), a province of China
Letters and other characters
Ⓔ or ⓔ or (e) or (E) - circled-E or circled-E, see
Enclosed Alphanumerics
Latin E with diacritic:
É or é - e-acute , an accented letter of many Latin alphabets.
È or è - e-grave , another accented letter of many Latin alphabets
Ê or ê - e with circumflex
Ë or ë - e with trema (diaeresis or umlaut)
Ē or ē - e with macron
e, the
close-mid front unrounded vowel IPA symbol
Tifinagh letter
ⴹ
Е and
е , a letter of the Cyrillic alphabet
Ε and
ε , the letter epsilon in the Greek alphabet
e (mathematical constant) , a mathematical constant also known as Euler's number and Napier's constant
E notation , or scientific notation, a way of writing very large and very small numbers such as 5E7
∃ (a backwards E; U+2203) 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
X
{\displaystyle \operatorname {E} [X]}
or
expected value , the average expected outcome of a trial in probability theory
E , the
complete elliptic integral of the second kind
e , the
identity element
E , the
Erdős–Borwein constant
E (musical note)
E major , a scale
E minor , a scale
E major chord, see
Chord names and symbols (popular music)
E (video) , by Eminem
E (Adrian Belew album) , 2009
É (album) , by Duda Brack, 2015
E (Ecco2K album) , 2019
E (Enslaved album) , 2017
E (Epik High album) , 2009
E (single album) , by Big Bang, 2015
"E", a song by Baboon from
Sausage , 1992
e (or e− ) or
electron , a fundamental subatomic particle
e or
elementary charge , the absolute value of the electric charge carried by a single electron.
e or
coefficient of restitution (COR), a measure of the elasticity of a collision in mechanics
E, the symbol for energy in equations concerning
mass–energy equivalence
E or
Young's modulus , a measure of stiffness in solid mechanics
E or
exa- , the SI prefix for 1018
E-layer or the Kennelly-Heaviside layer, part of the ionosphere
E, the symbol for an
electric field
e or
orbital eccentricity , a measure of how much a conic section deviates from a circle
E or Equal Energy spectrum, a definition of
white in colour printing
E, the
electrode potential , the electromotive force of a cell built of two electrodes
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
E, the production code for the 1964 Doctor Who serial
The Keys of Marinus
Topics referred to by the same term