E is the fifth letter of the Latin alphabet. It can also refer to the following. Wikipedia does not have an article with this exact name. ... Wiktionary (from wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Look up E, e in Wiktionary, the free dictionary. ... The Latin alphabet, also called the Roman alphabet, is the most widely used alphabetic writing system in the world today. ...

Science

• In astronomy,
  • E stands for a March 1 through 15 discovery, in the provisional designation of a comet (e.g. C/1973 E1, Comet Kohoutek) or asteroid (e.g. (4178) 1988 EO₁).
  • E would stand for Earth, in the provisional designation of any ring or natural satellite discovered around it.
• In biochemistry,
  • E is the symbol for glutamic acid.
  • E is an abbreviation for enzyme.
• In colorimetry, E denotes the equal energy white point.
• In the Earth's atmosphere, the E layer is part of the ionosphere.
• In electrochemistry,
  • E is a symbol for electrode potential.
  • E° is a symbol for standard electrode potential.
• In genetics,
  • Haplogroup E (mtDNA) is a human mitochondrial DNA (mtDNA) haplogroup.
  • Haplogroup E (Y-DNA) is a Y-chromosomal DNA (Y-DNA) haplogroup.
• In nutrition,
  • E is a vitamin.
  • E number refers to a European coding scheme for food additives.
• In physics,
  • E is the symbol for energy, as in E = mc² (see mass-energy equivalence).
  • E is the symbol for electric field.
  • In particle physics, e (or e^-) is the symbol for the electron.
  • In semiconductor physics, e may represent elementary charge.
• In the SI system, E, exa, is the SI prefix meaning 10¹⁸.
• In structural engineering, E stands for the modulus of elasticity.

A giant Hubble mosaic of the Crab Nebula, a supernova remnant Astronomy is the science of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earths atmosphere (such as auroras and cosmic background radiation). ... Orbits of Comet Kohoutek and Earth Comet Kohoutek (formally designated C/1973 E1) was first sighted on March 7, 1973 by Czech astronomer Lubos Kohoutek. ... Adjectives: Terrestrial, Terran, Telluric, Tellurian, Earthly Atmosphere Surface pressure: 101. ... Provisional designation of in astronomy is the naming convention applied to astronomical objects immediately following their discovery. ... Biochemistry is the study of the chemical processes and transformations in living organisms. ... Glutamic acid (Glu), also referred to as glutamate (the anion), is one of the 20 proteinogenic amino acids. ... Ribbon diagram of the enzyme TIM, surrounded by the space-filling model of the protein. ... This article or section is not written in the formal tone expected of an encyclopedia article. ... A white point is one of a number of reference illuminants used in colorimetry which serve to define the color white. Depending on the application, different definitions of white are needed to give acceptable results. ... Layers of Atmosphere - not to scale (NOAA)[2] Earths atmosphere is a layer of gases surrounding the planet Earth and retained by the Earths gravity. ... The Kennelly-Heaviside Layer is also known as the E region or just as Heaviside Layer (after Oliver Heaviside). ... Relationship of the atmosphere and ionosphere The ionosphere is the part of the atmosphere that is ionized by solar radiation. ... English chemists John Daniell (left) and Michael Faraday (right), both credited to be founders of electrochemistry as known today. ... This article may be too technical for most readers to understand. ... It has been suggested that Electrode potential be merged into this article or section. ... For a non-technical introduction to the topic, please see Introduction to genetics. ... In human mitochondrial genetics, Haplogroup E is a human mitochondrial DNA (mtDNA) haplogroup which can be used to define genetic populations. ... In human genetics, Haplogroup E (M96) is a human Y-chromosome DNA haplogroup. ... The updated USDA food pyramid, published in 2005, is a general nutrition guide for recommended food consumption. ... Tocopherol, or vitamin E, is a fat-soluble vitamin in eight forms that is an important antioxidant. ... Retinol (Vitamin A) For the record label, see Vitamin Records Vitamins are nutrients required in very small amounts for essential metabolic reactions in the body. ... For the mathematical constant see: E (mathematical constant). ... Physics (Greek: (phúsis), nature and (phusiké), knowledge of nature) is the science concerned with the fundamental laws of the universe. ... 15ft sculpture of Einsteins 1905 E=mc² formula at the 2006 Walk of Ideas, Germany In physics, mass-energy equivalence is the concept that all mass has an energy equivalence, and all energy has a mass equivalence. ... It has been suggested that optical field be merged into this article or section. ... Thousands of particles explode from the collision point of two relativistic (100 GeV per ion) gold ions in the STAR detector of the Relativistic Heavy Ion Collider. ... e- redirects here. ... The elementary charge (symbol e or sometimes q) is the electric charge carried by a single proton, or equivalently, the negative of the electric charge carried by a single electron. ... Look up si, Si, SI in Wiktionary, the free dictionary. ... In the X Window System, in the X.Org Server, EXA is a graphics acceleration architecture to make the XRender extension more usable, with only minor changes needed to adapt XFree86 video drivers written to use XAA (the XFree86 Acceleration Architecture). ... An SI prefix (also known as a metric prefix) is a name or associated symbol that precedes a unit of measure (or its symbol) to form a decimal multiple or submultiple. ... Taipei 101, the worlds tallest building as of 2004. ... In solid mechanics, Youngs modulus (also known as the modulus of elasticity or elastic modulus) is a measure of the Stiffness of a given material. ...

Mathematics

• e is Euler's number, a transcendental number (approximately equal to 2.718281828459045235360287471352) which is used as the base for natural logarithms. One representation of e is . Another is .
• e (small caps) signifies y×10^x, as in 7e8 = 7×10⁸, or 700,000,000.
• In hexadecimal (and other positional numeral systems with a radix of 15 or greater), E is a digit meaning fourteen.
• In probability and statistics, a capital E or blackboard bold denotes expected value.
• In set theory, denotes set membership.
• In symbolic logic, ∃ (a backwards E) is the symbol for "there exists...", called the existential quantifier. Example: .

e is the unique number such that the value of the derivative (slope of a tangent line) of f (x)=ex (blue curve) at the point x=0 is exactly 1. ... Leonhard Euler (pronounced Oiler; IPA ) (April 15, 1707 – September 7, 1783) was a pioneering Swiss mathematician and physicist, who spent most of his life in Russia and Germany. ... In mathematics, a transcendental number is any complex number that is not algebraic, that is, not the solution of a non-zero polynomial equation with integer (or, equivalently, rational) coefficients. ... The natural logarithm, formerly known as the hyperbolic logarithm, is the logarithm to the base e, where e is equal to 2. ... In typography, small caps (short for small capitals) are uppercase (capital) characters that are printed in a smaller size than normal uppercase characters of the same font. ... In mathematics and computer science, hexadecimal, base-16, or simply hex, is a numeral system with a radix, or base, of 16, usually written using the symbols 0–9 and A–F, or a–f. ... A numeral is a symbol or group of symbols, or a word in a natural language that represents a number. ... The radix (Latin for root), also called base, is the number of various unique symbols (or digits or numerals) a positional numeral system uses to represent numbers. ... In mathematics and computer science, a numerical digit is a symbol, e. ... 14 (fourteen) is the natural number following 13 and preceding 15. ... Probability is the chance that something is likely to happen or be the case. ... A graph of a Normal bell curve showing statistics used in educational assessment and comparing various grading methods. ... An example of blackboard bold letters. ... In probability theory the expected value (or mathematical expectation) of a random variable is the sum of the probability of each possible outcome of the experiment multiplied by its payoff (value). Thus, it represents the average amount one expects as the outcome of the random trial when identical odds are... Set theory is the mathematical theory of sets, which represent collections of abstract objects. ... In mathematics, a set can be thought of as any collection of distinct things considered as a whole. ... Mathematical logic is a discipline within mathematics, studying formal systems in relation to the way they encode intuitive concepts of proof and computation as part of the foundations of mathematics. ... In predicate logic, existential quantification is an attempt to formalize the notion that something (a logical predicate) is true for something, or at least one relevant thing. ...

Computing

• E is a programming language for the Amiga; see Amiga E.
• E is is an object-oriented language for secure distributed computing; see E programming language.
• e is a functional verification language; see e (verification language).
• e (or E) is used in floating point literals in many programming languages to mean "multiply by 10 to the power of".
• The letter e is often used as a prefix (with or without a subsequent hyphen) to imply "electronic", such as e-mail or e-commerce.
• In computational complexity theory, the complexity class E is a variant of the EXPTIME class of problems solvable in exponential time.
• In the X Window System, E is short for Enlightenment.
• E is text editor in PC-DOS 7, PC-DOS 2000, and OS/2; see E (PC-DOS).
• e is a Windows text editor; see e (text editor).

A programming language is an artificial language that can be used to control the behavior of a machine, particularly a computer. ... The original Amiga 1000 (1985) with various peripherals The Amiga is a family of home/personal computers originally developed by Amiga Corporation as an advanced home entertainment and productivity machine. ... AmigaE, or very often simply E, is a programming language created by Wouter van Oortmerssen on the Amiga. ... E is an object-oriented programming language for secure distributed computing, created by Mark S. Miller and others at Electric Communities in 1997. ... e is a verification language used in Specman Elite to allow high-level verification of RTL designs and to analyse functional coverage. ... A floating-point number is a digital representation for a number in a certain subset of the rational numbers, and is often used to approximate an arbitrary real number on a computer. ... A programming language is an artificial language that can be used to control the behavior of a machine, particularly a computer. ... Wikipedia does not yet have an article with this exact name. ... Electronic commerce, EC, e-commerce or ecommerce consists primarily of the distributing, buying, selling, marketing, and servicing of products or services over electronic systems such as the Internet and other computer networks. ... As a branch of the theory of computation in computer science, computational complexity theory describes the scalability of algorithms, and the inherent difficulty in providing scalable algorithms for specific computational problems. ... In computational complexity theory, a complexity class is a set of problems of related complexity. ... In computational complexity theory, the complexity class E is the set of decision problems that can be solved by a deterministic Turing machine in time O(kn) for some k. ... In computational complexity theory, the complexity class EXPTIME (sometimes called EXP) is the set of all decision problems solvable by a deterministic Turing machine in O(2p(n)) time, where p(n) is a polynomial function of n. ... KDE 3. ... Categories: Software stubs | Free software | X window managers ... E is the text editor which was made part of PC-DOS with version 6. ...

Arts and entertainment

• In film,
  • E is a Tamil film starring Jeeva and Nayantara; see E (film).
  • E is a Canadian film from 1982.
  • "E" is the nickname of Edna Mode, a character from the movie The Incredibles.
• In video games, E is the ESRB rating symbol for Everyone.
• E! (Entertainment Television) is an American cable television and direct broadcast satellite network.
• e is a 2000 novel by Matt Beaumont; see e (novel).
• "E" is a nickname of Mark Oliver Everett, frontman for the rock band Eels.

Film is a term that encompasses individual motion pictures, the field of film as an art form, and the motion picture industry. ... E (2005) is a Tamil film directed by S P Jananathan, who won the Indian National Award in 2004 for his debut, Iyarkai. The films music is composed by director, Srikanth Deva son of Deva. ... 1982 (MCMLXXXII) was a common year starting on Friday of the Gregorian calendar. ... Edna Marie E Mode is a principal character from the movie The Incredibles. ... This article is about computer and video games. ... The Entertainment Software Rating Board (ESRB) is a self-regulatory organization that applies and enforces ratings, advertising guidelines, and online privacy principles for computer and video games in the United States. ... E!: Entertainment Television is an American cable television and direct broadcast satellite network. ... Coaxial cable is often used to transmit cable television into the house. ... Direct broadcast satellite (DBS) is a term used to refer to satellite television broadcasts intended for home reception, also referred to as direct-to-home signals. ... The correct title of this article is . ... Mark Oliver Everett (born April 10, 1963, in Virginia) is the lead singer, guitarist and keyboardist of the pop band Eels. ...

Transportation

• The E line, a subway/metro line in New York City.

The E Eighth Avenue Local is a service of the New York City Subway. ... This article or section does not cite its references or sources. ... New York, NY redirects here. ...

Other uses

• In California, E in a diamond or octagon on a license plate represents a government owned vehicle.
• In currency, E is sometimes used as symbol for the euro when the symbol € is not available.
• In education, E is a very low grade, except in some grading systems such as the one used in the USA which goes from D to F, omitting E. Also may be short for 'excellent'.
• In English slang, E is a term for Methylenedioxymethamphetamine (MDMA or Ecstasy), a synthetic drug which is often used recreationally.
• In finance, E is the New York Stock Exchange ticker symbol for ENI Spa.
• In gender-neutral pronouns, e is the Spivak pronoun meaning he or she.
• In geography and weather forecasting, E stands for east, one of the four cardinal directions.
• In Interlingua, e means and.
• In international licence plate codes, E stands for Spain (España).
• In the International Phonetic Alphabet, /e/ refers to the close-mid front unrounded vowel. Its turned counterpart, /ə/, stands for the mid central vowel or schwa.
• In Japanese, E is a romanization of the kana え and エ.
• In legal metrology, the "estimated" sign (the symbol ℮) following a measurement of quantity (e.g., 750 ml ℮) indicates that the measurement of weight or volume is done according to preset rules with specific allowable variances.
• In music, E is a note (pitch).
• In Polish locomotives designation E stands for electric locomotive.
• As the first letter of a postal code,
  • In Canada, E stands for New Brunswick.
  • In the United Kingdom, E stands for East London.
• In radio, the NATO E band ranges from 2 to 3 GHz.
• In Romania, E is a symbol of parthenogenesis.^{[citation needed]}
• In sports, E# refers to a team's elimination number.
• É is the Sumerian for "temple"; see É (temple).
• "E class" is a steam locomotive classification used by the New Zealand Railways Department; see NZR E class (1872), NZR E class (1906), NZR E class (1922).
• E, The Environmental Magazine is a US-based magazine focusing on global environmental issues.
• E denotes the state of enlistment in military, noted before rank.
• E Township is an unincorporated community in Maine, United States, previously called E Plantation.
• Unknown Man E is a mystery mummy in Egypt.