F (disambiguation)

Science and technology

F or f, the number 15 in hexadecimal and higher positional systems
_pF_q, the hypergeometric function
F-distribution, a continuous probability distribution
- F-test, a statistical test
f, SI prefix femto, factor 10⁻¹⁵
$F$ , Fibonacci number

F (programming language), a subset of Fortran 95
F Sharp (programming language), a functional and object-oriented language for the .NET platform.
F* (programming language), a dependently typed functional language for the .NET platform.
F-measure, the harmonic mean of precision and recall
f, in programming languages often used to represent the floating point
F connector, used for inlet in cable modems
F crimp, a type of solderless electrical connection
F band (NATO), a radio frequency band from 3 to 4 GHz
F band (waveguide), a millimetre wave band from 90 to 140 GHz

°F, degree on the Fahrenheit temperature scale
F, for farad, a unit for electric capacitance
$F$ or ℱ, the Faraday constant
f, focal length of a lens
- f-number (sometimes called f-ratio, f-stop, or written f/), the focal length divided by the aperture diameter
${\vec {F}}$ , $F$ , $F$ , force
$f$ , frequency
F (or A), Helmholtz Free Energy
F, the electromagnetic field tensor in electromagnetism
Often generalized to include the field tensors of other interactions, as in i.e. the gluon field strength tensor.
F region, part of the ionosphere

Form (botany)
Form (zoology)
Bioavailability, which is expressed as the letter "F" in medical chemistry equations
Haplogroup F (Y-DNA), a patrilineal haplogroup
Haplogroup F (mtDNA), a matrilineal haplogroup

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Music

F (musical note)
F major, a scale
F minor, a scale
F major chord, Chord names and symbols (popular music)
f, Forte (music)
F (album), an album by Japanese singer Masaharu Fukuyama
F Album, an album by Japanese duo KinKi Kids
"F", song on the double A-side single "Tsume Tsume Tsume/F" by Japanese metal band Maximum the Hormone

Transport

F Sixth Avenue Local, a rapid transit service of the New York City Subway
F (S-train), trains on the ring line of Copenhagen's commuter train network
F Market & Wharves, a heritage streetcar line operated by the San Francisco Municipal Railway
Tokyo Metro Fukutoshin Line, a subway service operated by the Tokyo Metro, labeled
The NYSE ticker symbol of the Ford Motor Company
, the official West Japan Railway Company service symbol for the Osaka Higashi Line.
Ford F-Series, a series of full-size pickup trucks from Ford Motor Company

Other uses

F (film), a 2010 film directed by Johannes Roberts
France, on the vehicle registration plates of the European Union
F (grade), a failing grade
f, the symbol used in the International Phonetic Alphabet for the voiceless labiodental fricative
f, common abbreviation in lexicons meaning feminine grammatical gender
Fax, referring to a facsimile machine
F, abbreviation for fax number
The citation abbreviation of the Federal Reporter
F, Fujitsu's mobile phones in Japan
Forward position in Australian Rules football
"F" or "F***", sometimes used to censor "fuck".
f, abbreviation for the social networking service Facebook
Common abbreviation for floor (for example, "3F" = 3rd floor)
F word (disambiguation), euphemism for several words beginning with "f"
Dominical letter F for a common year starting on Tuesday
F, as an online expression of respects to a recently deceased person (as a reference to the videogame Call of Duty: Advanced Warfare)
F, the production code for the 1964 Doctor Who serial The Aztecs
"F" Is for Fugitive, the sixth novel in Sue Grafton's "Alphabet mystery" series, published in 1989

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Science and technology