F (disambiguation)

F is the sixth letter of the Latin alphabet.

F may also refer to:

cience

*Fahrenheit
*Farad, a unit for electric capacitance
*Faraday constant
*Fluorine
*Focal length
**f-number, the focal length divided by the aperture diameter
*Force
*Frequency

As well as

*Bioavailability, which is expressed as the letter "F" in medical chemistry equations
*F band, the range of radio frequencies from 3 to 4 GHz
*f-block, a group of elements on the periodic table elements
*F region, part of the ionosphere
*Haplogroup F (Y-DNA), a patrilineal haplogroup
*Haplogroup F (mtDNA), a matrilineal haplogroup
*Phenylalanine, abbreviated as Phe or F

Mathematics

*The number 15 in hexadecimal
*F-distribution, a continuous probability distribution
**F-test, a statistical test
*Femto, a prefix meaning 10^-15
*Fibonacci number

Computers

*F (programming language), a subset of Fortran 95
*F connector, used for inlet in cable modems
* F-measure, the harmonic mean of precision and recall
* In programming languages, f is often used to represent floating points

Music

*F (musical note)
*Forte (music)

Transportation

* 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

Other uses

*F (grade), a failing grade
*F (IPA), the voiceless labiodental fricative phoneme
*The citation abbreviation of the "Federal Reporter
*Ford F-Series, a series of full-size pickup trucks from Ford Motor Company
*The NYSE ticker symbol of the Ford Motor Company
* F, Fujitsu's mobile phones in Japan
*f, female gender
* Forward position in Australian Rules football

ee also

* Class F

fr:F
id:F
ku:F
nl:F
sq:F
uk:F