F is the sixth letter of the Latin alphabet. F may also refer to:
- F (musical note)
- F (grade), a failing grade
- F (IPA), the voiceless labiodental fricative phoneme
- F (programming language), a subset of Fortran 95
- F (New York City Subway service)
- F (S-train)
- F region, part of the ionosphere
- F connector, used for inlet in cable modems
- F-distribution, a continuous probability distribution
- F-test, a statistical test
- f-block, those elements for which the highest-energy electrons occupy f-orbitals
- F band ranges from 3 to 4 GHz
- Haplogroup F (Y-DNA), a patrilineal haplogroup
- Haplogroup F (mtDNA), a matrilineal haplogroup
- F-measure, the harmonic mean of precision and recall
F may also be used for:
- Bioavailability
- Fahrenheit
- Farad, a unit for electric capacitance
- Faraday constant
- Federal Reporter's citation abbreviation F.
- Femto, a prefix meaning 10-15
- Fibonacci number
- Fluorine
- Focal length
- f-number, the focal length divided by the aperture diameter
- Force
- Ford Motor Company's NYSE ticker symbol
- Forte (music)
- Frequency
- Phenylalanine
- 15 (number) in hexadecimal
See also
| Latin letter disambiguation |
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