Flex or FLEX may refer to:

Computing

Flex (language) In computing, the FLEX language was developed by Alan Kay in the late 1960s while exploring ideas that would later evolve into the Smalltalk programming language. References Programming languages created in the 1960s {{prog-lang- ...

, developed by Alan Kay *

FLEX (operating system) FLEX is a discontinued single-tasking operating system developed by Technical Systems Consultants (TSC) of West Lafayette, Indiana, for the Motorola 6800 in 1976. Overview The original version was distributed on 8" floppy disks; the (smaller) v ...

, a single-tasking operating system for the Motorola 6800 *

FlexOS FlexOS is a discontinued modular real-time multiuser multitasking operating system (RTOS) designed for computer-integrated manufacturing, laboratory, retail and financial markets. Developed by Digital Research's Flexible Automation Business U ...

, an operating system developed by Digital Research *

FLEX (protocol) FLEX is a communications protocol developed by Motorola and used in many pagers. FLEX provides one-way communication only (from the provider to the pager device), but a related protocol called ReFLEX provides two-way messaging. Protocol Transm ...

, a communication protocol for pagers * Flex, a family of automatic test equipment produced by Teradyne * FLEx, a piece of software used in language documentation *

Apache Flex Apache Flex, formerly Adobe Flex, is a software development kit (SDK) for the development and deployment of cross-platform rich web applications based on the Adobe Flash platform. Initially developed by Macromedia and then acquired by Adobe Syste ...

, formerly Adobe Flex, technologies for developing rich internet applications * Flex (lexical analyser generator), a lexical analyser generator and a free software alternative to lex *

Flex machine The Flex Computer System was developed by Michael Foster and Ian Currie of Royal Signals and Radar Establishment (RSRE) in Malvern, England, during the late 1970s and 1980s. It used a tagged storage scheme to implement a capability architectu ...

, a computer developed by RSRE in the 1980s * CSS Flexible Box Layout, commonly known as Flexbox, a CSS 3 web layout model

Science and technology

Bending In applied mechanics, bending (also known as flexure) characterizes the behavior of a slender structural element subjected to an external load applied perpendicularly to a longitudinal axis of the element. The structural element is assumed to ...

, also known as flexure, as used in mechanics *

Flexion Motion, the process of movement, is described using specific anatomical terms. Motion includes movement of organs, joints, limbs, and specific sections of the body. The terminology used describes this motion according to its direction relativ ...

, in anatomy, a position made possible by the joint angle decreasing * Femtosecond Lenticule EXtraction, a form of refractive eye surgery * Flex circuit, a flexible printed circuit used in electronic assemblies *

FLEX mission The FLuorescence EXplorer (FLEX) is a planned mission by the European Space Agency to launch a satellite to monitor the global steady-state chlorophyll fluorescence in terrestrial vegetation. FLEX was selected for funding on 19 November 2015 and ...

, a future satellite launch mission by the European Space Agency *

Flex temp Flex temp is a technique used to produce cost savings through increased engine life and reduced overhaul and fuel costs for airliners by allowing them to take-off at less than rated thrust. For Airbus and Fokker aircraft the technique is known a ...

, a reduced takeoff thrust setting which trades excess performance for reduced engine wear * Flex-fuel, a

flexible-fuel vehicle A flexible-fuel vehicle (FFV) or dual-fuel vehicle (colloquially called a flex-fuel vehicle) is an alternative fuel vehicle with an internal combustion engine designed to run on more than one fuel, usually gasoline blended with either ethanol fu ...

Inflection point In differential calculus and differential geometry, an inflection point, point of inflection, flex, or inflection (British English: inflexion) is a point on a smooth plane curve at which the curvature changes sign. In particular, in the case ...

, of a curve in geometry *

Power cord A power cord, line cord, or mains cable is an electrical cable that temporarily connects an appliance to the mains electricity supply via a wall socket or extension cord. The terms are generally used for cables using a power plug to connect ...

, or flex, a flexible electrical cable

Music

* ''Flex'' (album), Lene Lovich's 1979 second album * ''Flex'' (EP) a 2003 EP by Pitch Black * "Flex" (Dizzee Rascal song), 2007 * "Flex" (Mad Cobra song), 1992 * "Flex" (Polo G song), 2020 * "

Flex (Ooh, Ooh, Ooh) "Flex (Ooh, Ooh, Ooh)" is a song by American rapper Rich Homie Quan. It was released on February 10, 2015, as a single from his fifth mixtape '' If You Ever Think I Will Stop Goin' in Ask RR (Royal Rich)'' & ''Summer Sampler'' (2015). It was produ ...

", a 2015 song by Rich Homie Quan * Flex, a break in the

recitation tone In chant, a reciting tone (also called a recitation tone) can refer to either a repeated Pitch (music), musical pitch or to the entire melodic formula for which that pitch is a structural note. In Gregorian chant, the first is also called tenor, do ...

before the mediation in

Gregorian chant Gregorian chant is the central tradition of Western plainsong, plainchant, a form of monophony, monophonic, unaccompanied sacred song in Latin (and occasionally Greek (language), Greek) of the Roman Catholic Church. Gregorian chant developed ma ...

*A "flex" in a "flex bar", a technique used in

battle rap Battle rap (also known as rap battling)Edwards, Paul, 2009, p. 25. is a type of rapping performed between two or more performers that incorporates boasts, insults and wordplay. Battle rap is often performed or freestyled spontaneously in live ...

Organizations

Flex (club) Flex is a nightclub in Vienna. It is located between underground station Schottenring and Augartenbrücke. Many international and Austrian music acts and DJs, such as Pete Doherty, Juliette and the Licks and Arcade Fire, have performed in Flex. T ...

, a nightclub in Vienna, Austria *

Flex (company) Flex Ltd. (previously known as Flextronics International Ltd. or Flextronics) is an American Singaporean-domiciled multinational diversified manufacturing company. It is the third largest global electronics manufacturing services (EMS), origi ...

(NASDAQ symbol: FLEX), a contract electronics maker based in Singapore *

Flex FM Flex FM is a London-based community radio station, which originally started life as a pirate radio station. Flex broadcasts house, drum and bass, dubstep, UK garage, old skool hardcore, reggae and soul to London and surrounding areas on 101.4F ...

, a London-based radio station *

Flex-Elektrowerkzeuge FLEX-Elektrowerkzeuge GmbH is a German producer of power tools with headquarters in Steinheim. After producing flexible shaft grinders since 1922, FLEX invented the "Flex" or angle grinder in 1954. The company created a partnership with America ...

, a German producer of power tools *

Flex Linhas Aéreas Flex Linhas Aéreas, styled as FLEX, was a Brazilian non-regular charter airline based at Rio de Janeiro–Galeão International Airport. It is the brand name of Nordeste Linhas Aéreas S.A., judicial successor of former Viação Aérea Rio-Grande ...

, a Brazilian regional airline

People

Flex (singer) Félix Danilo Gómez Bosquez (born August 29, 1980), known by his stage names Flex and Nigga, is a Panamanian reggaeton singer and songwriter. He adopted the name '' Nigga'' after being told by another Panamanian artist that he "sings like a blac ...

, Félix Danilo Gómez (born 1974), Panamanian singer *

Flex Alexander Mark Alexander Knox (born April 15, 1970), better known as Flex Alexander or Flex, is an American actor, comedian and dancer. He has had a lot of guest-starring roles on many television sitcoms before portraying single father Flex Washington on ...

, Mark Alexander Knox (b. 1970), an American actor and comedian *

Funkmaster Flex Aston George Taylor Jr. (born August 5, 1968), professionally known as Funkmaster Flex, is an American DJ, rapper, record producer, and host on New York City's Hot 97 radio station. In 1992, he became host of the first hip hop radio show on Hot 9 ...

, Aston George Taylor Jr (b. 1968), an American hip hop DJ *

Walter Flex Walter Flex (6 July 1887 – 16 October 1917) was a German author of ''The Wanderer between the Two Worlds: An Experience of War'' (''Der Wanderer zwischen beiden Welten'') of 1916, a war novel dealing with themes of humanity, friendship, and suff ...

(1887–1917), German author

Other uses

Amazon Flex Prime Now, LLC is a subsidiary of Amazon that oversees its same-day grocery shopping and delivery service. The name also originated a brand, including a custom app, to distinguish the service from Amazon's other offerings, but both the branding a ...

, a platform for gig workers performing deliveries for

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technolog ...

* Flex (comics), a fictional superhero * ''Flex'' (film), a commercial/short film by English director Chris Cunningham * ''Flex'' (magazine), an American bodybuilding magazine * ''Flex'' (TV program), a 2021 Philippine variety show * Fleet Landing Exercises, a series of landing exercises conducted by the Fleet Marine Force, a combined-United States Navy/Marine landing force * Flex Your Rights, a civil-liberties non-profit based in Washington DC, US *

Ford Flex The Ford Flex is a full-size crossover SUV or wagon that was manufactured by the Ford Motor Company; a single generation was produced from the 2009 to 2019 model years. Introduced as the successor to the Ford Taurus X, the model line also funct ...

, a crossover SUV produced from 2009-2019 *

Future Leaders Exchange Future Leaders Exchange (FLEX) is a scholarship student exchange program administered by the U.S. Department of State through funding from the Freedom Support Act. The program provides opportunities for high school students (ages 15–19) from Eu ...