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{{Short description|Sixth6th letter of the Latin alphabet}}
{{hatnote group|
{{About|the letter of the alphabet}}
{{distinguish|text=the [[long s]], ſ}}
}}
{{Technical reasons|F#|other uses|F-sharp (disambiguation){{!}}F-sharp|and|F*@bois|prefix=yesFuccbois{{!}}<!-- F#*''Fuccbois''|and|Fu@bois,K anI alternativeLove titleU{{!}}''Fu@K forI [[Fuccbois]],Love lands here because # separates pagename from anchor -->U''|prefix=yes}}
{{pp-vandalism|small=yes}}
 
{{Infobox grapheme
|name = F
|letter = F f
|variations=([[#Related characters|See below]])
|image = F cursiva.gif
|imagesize = 200px
|imagealt = Writing cursive forms of F
|boxsize=
|script=[[Latin script]]
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|fam1=<hiero>T3</hiero>
|fam2=[[File:Proto-semiticW-01.svg|20px|Waw]]
|fam3=[[File:PhoenicianW-01.pngsvg|20px]]
|fam4=[[File:Phoenician waw.svg|20px|Waw]]
|fam5=[[File:Waw.svgDigamma|20pxϜ ϝ ϛ]]
|fam6=[[Digamma|Ϝ ϝ ϛ𐌅]]
|usageperiod = ~-700−700 to present
|fam7=[[𐌅]]
|usageperiod = ~-700 to present
|children={{grid list|[[Ḟ]]|[[₣]]|{{not a typo|[[℉]]}}|[[ꟻ]]|[[ꬵ]]||[[𝆑]]}}
|sisters={{grid list|[[U]]|[[V]]|[[W]]|[[Y]]|[[Ʊ]]|[[Ϝ]]|[[У]]|[[Ў]]|[[Ұ]]|[[Upsilon|Υ υ]]|[[Waw (letter)|<span>ו</span>, <span>וּ</span>, <span>וֹ</span>, <span>ﻭ</span>, <span>ۋ</span>, <span>ܘ</span>]]|[[ࠅ]]|[[𐎆]]|[[𐌖]]|[[wikt:Վ|Վ]] [[wikt:վ|վ]]|[[wikt:Ո|Ո]] [[wikt:ո|ո]]|[[wikt:Ւ|Ւ]] [[wikt:ւ|ւ]]|[[wikt:և|և]]}}
|equivalents={{grid list|[[U]]|[[V]]|[[W]]|[[Y]]}}
|associates=[[List of Latin-script digraphs#F|f(x)]]
|direction=Left-to-Rightright
|image=File:Latin_letter_F.svg}}
}}
{{Latin letter info|f}}
 
'''F''', or '''f''', is the sixth [[Letter (alphabet)|letter]] inof the [[Latin alphabet]], usedand inmany modern alphabets influenced by it, including the [[English alphabet|modern English alphabet]], and the alphabets of all other modern western European languages and others worldwide. Its name in English is [[English alphabet#Letter names|''ef'']]{{NoteTagefn|Spelled ''eff'' when used as a verb.}} (pronounced {{IPAc-en|'|ɛ|f}}), and the plural is ''efs''.<ref>"F", ''Oxford English Dictionary,'' 2nd edition (1989); "ef", "eff", "bee" (under "bee eff"), ''op. cit.''</ref>
 
== History ==
{| class="wikitable" style="text-align: center;"
|-
! Proto-SemiticSinaitic
! Phoenician<br />''[[Waw (letter)|waw]]''
! EarlyWestern Greek<br />''[[Digamma]]''
! Greek<br />''Digamma''
! Etruscan<br />V or W
! [[Latin alphabet|Latin]]<br />F
|-
| [[File:Proto-semiticW-01.pngsvg|40px]]
| [[File:PhoenicianW-01.pngsvg|40pxframeless|40x40px]]
| [[File:Greek_Digamma_02.svg|40px]]
| [[File:Digamma uc lc.svg|55px]]
| [[File:EtruscanF-01.svg|30px]]
| [[File:Capitalis monumentalis F.svg|x20pxx30px|Latin F]]
|}
 
The origin of 'F' is the [[History of the alphabet#Semitic alphabet|Semitic]] letter ''[[Waw (letter)|waw]]'' that represented a sound like {{IPA|/v/}} or {{IPA|/w/}}. Graphically it originally probably originally depicted either a hook or a club. It may have been based on a comparable [[Egyptian hieroglyph]] such as [[List of Egyptian hieroglyphs by common name: M-Z#M|that which represented the word ''mace'']] (transliterated as ḥ(dj)): <hiero>T3</hiero>
 
The [[Phoenician alphabet|Phoenician]] form of the letter was adopted into Greek as a vowel, ''[[upsilon]]'' (which resembled its descendant '[[Y]]' but was also the ancestor of the Roman letters '[[U]]', '[[V]]', and '[[W]]'); and, with another form, as a consonant, ''[[digamma]]'', which indicated the pronunciation {{IPA|/w/}}, as in Phoenician. Latin 'F,' despite being pronounced differently, is ultimately descended from [[digamma]] and closely resembles it in form.
 
After sound changes eliminated {{IPA|/w/}} from spoken Greek, ''[[digamma]]'' was used only as a numeral. However, the Greek alphabet also gave rise to other alphabets, and some of these retained letters descended from digamma. In the [[Etruscan alphabet]], 'F' probably represented {{IPA|/w/}}, as in Greek, and the [[Etruscan civilization|Etruscans]] formed the [[Digraph (orthography)|digraph]] 'FH' to represent {{IPA|/f/}}. (At the time these letters were borrowed, there was no Greek letter that represented /f/: the Greek letter [[phi]] 'Φ' then represented an aspirated [[voiceless bilabial plosive]] {{IPA|/p<sup>h</sup>/}}, although in [[Modern Greek]] it has come to represent {{IPA|/f/}}.) When the Romans adopted the alphabet, they used 'V' (from Greek ''[[upsilon]]'') not only for the vowel {{IPA|/u/}}, but also for the corresponding semivowel {{IPA|/w/}}, leaving 'F' available for {{IPA|/f/}}. And so out of the various ''vav'' variants in the Mediterranean world, the letter F entered the Roman alphabet attached to a sound which the Greeks did not have. The Roman alphabet forms the basis of the alphabet used today for English and many other languages.
 
The [[lowercase]] 'f' is not related to the visually similar [[long s]], 'ſ' (or [[medial s]]). The use of the ''long s'' largely died out by the beginning of the 19th century, mostly to prevent confusion with 'f' when using a short mid-bar.
 
== Use in writing systems ==
{| class="wikitable mw-collapsible"
|+ Pronunciation of {{angbr|f}} by language
! Orthography
! Phonemes
|-
! {{nwr|[[Standard Chinese]]}} ([[Pinyin]])
| {{IPAslink|f}}
|-
! [[English orthography|English]]
| {{IPAslink|f}}, {{IPAslink|v}}
|-
! [[French orthography|French]]
| {{IPAslink|f}}, silent
|-
! [[German orthography|German]]
| {{IPAslink|f}}
|-
! [[Portuguese orthography|Portuguese]]
| {{IPAslink|f}}
|-
! [[Spanish orthography|Spanish]]
| {{IPAslink|f}}
|-
! [[Turkish alphabet|Turkish]]
| {{IPAslink|f}}
}|}
 
=== English ===
In [[English orthography|the English writing system]] {{angbr|f}} is used to represent the sound {{IPAc-en|f}}, the [[voiceless labiodental fricative]]. It is often doubled at the end of words. Exceptionally, it represents the [[voiced labiodental fricative]] {{IPAc-en|v}} in the common word "of". and its derivatives.

F is the [[Letter frequency|eleventh least frequently used letter]] in the English language (after [[G]], [[Y]], [[P]], [[B]], [[V]], [[K]], [[J]], [[X]], [[Q]], and [[Z]]), with a frequency of about 2.23% in words.
 
=== Other languages ===
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* In [[French orthography]], {{angbr|f}} is used to represent {{IPA|/f/}}. It may also be silent at the end of words.
* In [[Spanish orthography]], {{angbr|f}} is used to represent {{IPA|/f/}}.
* In [[Esperanto orthography]], {{angbr|f}} is used to represent {{IPA|/f/}}.
* In the [[Hepburn romanization]] of [[Japanese language|Japanese]], {{angbr|f}} is used to represent {{IPA|[ɸ]}}. This sound is usually considered to be an [[allophone]] of {{IPA|/h/}}, which is pronounced in different ways depending upon its context; Japanese {{IPA|/h/}} is pronounced as {{IPA|[ɸ]}} before {{IPA|/u/}}.
* In [[Welsh orthography]], {{angbr|f}} represents {{IPA|/v/}} while {{angbr|ff}} represents {{IPA|/f/}}.
* In [[Slavic language]]s, {{angbr|f}} is used primarily in words of foreign (GreekHellenic, LatinRomance, or Germanic) origin.
* In spoken [[Icelandic language|Icelandic]], {{angbr|f}} in the middle of a word is often pronouncedvoiced as ato {{IPA|[v]}} (e.g., Að sofa - to sleep).
 
=== InternationalOther Phonetic Alphabetsystems ===
The [[International Phonetic Alphabet]] uses {{angbr IPA|f}} to represent the [[voiceless labiodental fricative]].
 
=== In mathematics ===
An italic letter {{mvar|f}} is conventionally used to denote an arbitrary [[function (mathematics)|function]]. See also [[f with hook]] (ƒ).
 
=== In music ===
A bold italic letter {{serif|'''''f'''''}} is used in [[musical notation]] as a [[Dynamics (music)|dynamic indicator]] for "loud or strong". It stands for the [[Italian language|Italian]] word ''forte''.<ref name="harvard">{{cite book |first = Don Michael |last = Randel |author-link = Don Michael Randel |publisher = Harvard University Press Reference Library |location = Cambridge, MA |year = 2003 |title = The Harvard Dictionary of Music |edition = 4th }}</ref><ref name="vtf">{{cite web |title = Forte |work = Virginia Tech Multimedia Music Dictionary |url = http://www.music.vt.edu/musicdictionary/textf/Forte.html |access-date = 19 March 2012 |archive-date = 20 October 2014 |archive-url = https://web.archive.org/web/20141020105236/http://www.music.vt.edu/musicdictionary/textf/Forte.html |url-status = dead }}</ref>
 
=== In education ===
{{Main|Academic grading in the United States}}
 
In countries such as the [[United States]], the letter "F" is defined as a failure in terms of academic evaluation. Other countries that use this system include Saudi Arabia, Venezuela, and the Netherlands.
 
=== In computing ===
In the [[hexadecimal]] number system, the letter "F" or "f" is used to represent the hexadecimal digit [[15 (number)|fifteen]] (equivalent to 15<sub>10</sub>).
 
== Other uses ==
{{main article|Press F to pay respects(disambiguation)}}
* In the [[hexadecimal]] (base 16) numbering system, F is a number that corresponds to the number 15 in [[decimal]] (base 10) counting.
The letter F has become an [[Internet meme]], where it is used to pay respects. This use is derived from the 2014 video game ''[[Call of Duty: Advanced Warfare]]'', where in a quick-time event protagonist Jack Mitchell must pay his respects to his friend Will Irons who fell in combat in a previous mission, represented by the player pressing F when playing the PC version. People on the Internet use the letter F usually in a genuine way to express respects, sadness or condolences towards other Internet personalities, Internet memes or other players on certain events, such as death, misfortune or the end of a phenomenon, company, game, series, etc.<ref>{{cite web |url = https://knowyourmeme.com/memes/press-f-to-pay-respects |title = Press F to pay respects |date = 20 December 2014 |access-date = 15 March 2020 }}</ref>
An* The italic letter {{mvar|f}} is conventionally used to denote an arbitrary [[function (mathematics)|function]]. SeeClosely alsoon [[f with hook]] (ƒ).
* A bold italic letter {{serif|'''''f'''''}} is used in [[musical notation]] as a [[Dynamics (music)|dynamic indicator]] for "loud or strong". It stands for the [[Italian language|Italian]] word ''forte''.<ref name="harvard">{{cite book |first = Don Michael |last = Randel |author-link = Don Michael Randel |publisher = Harvard University Press Reference Library |location = Cambridge, MA |year = 2003 |title = The Harvard Dictionary of Music |edition = 4th }}</ref><ref name="vtf">{{cite web |title = Forte |work = Virginia Tech Multimedia Music Dictionary |url = http://www.music.vt.edu/musicdictionary/textf/Forte.html |access-date = 19 March 2012 |archive-date = 20 October 2014 |archive-url = https://web.archive.org/web/20141020105236/http://www.music.vt.edu/musicdictionary/textf/Forte.html |url-status = dead }}</ref>
* In countries such as the [[United States]], the letter "F" is defined as a failure in terms of [[Academic grading in the United States|academic evaluation]]. Other countries that use this system include Saudi Arabia, Venezuela, and the Netherlands.
* The letter F has become an [[Internet meme]], where it is [[Press F to pay respects|used to pay respects]]. This use is derived from the 2014 video game ''[[Call of Duty: Advanced Warfare]]'', where in a quick-time event, protagonist Jack Mitchell must pay his respects to his friend Will Irons who fell in combat in a previous mission, represented by the player pressing F when playing the PC version. People on the Internet use the letter F usuallysometimes in a genuine way to express respectsrespect, sadness, or condolences towards other Internet personalities, Internet memes, or other players on certain events, such as death, misfortune or the end of a phenomenon, company, game, series, etc.<ref>{{cite webnews |url = https://knowyourmeme.com/memes/press-f-to-pay-respects |title = Press F to pay respects |newspaper = Know Your Meme |date = 20 December 2014 |access-date = 15 March 2020 }}</ref>
 
== Related characters ==
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* <sup>f</sup>: Superscript "f", encoded as {{unichar|1DA0|Modifier letter small f}} in the [[Phonetic Extensions Supplement]] block of [[Unicode]], is used in some forms of the [[International Phonetic Alphabet]].<ref name="L204132" />
* ꜰ : Small capital F was used in the Icelandic [[First Grammatical Treatise]] to mark [[gemination]]<ref>{{cite web |url = https://www.unicode.org/L2/L2006/06027-n3027-medieval.pdf |title=L2/06-027: Proposal to add Medievalist characters to the UCS |date=2006-01-30 |first1=Michael |last1=Everson |first2=Peter |last2=Baker |first3=António |last3=Emiliano |first4=Florian |last4=Grammel |first5=Odd Einar |last5=Haugen |first6=Diana |last6=Luft |first7=Susana |last7=Pedro |first8=Gerd |last8=Schumacher |first9=Andreas |last9=Stötzner }}</ref>
* ꟳ : Modifier letter capital F<ref>{{Cite web|title=L2/20-251: Unicode request for modifier Latin capital letters|url=https://www.unicode.org/L2/L2020/20251-mod-latin.pdf|date=2020-09-25|first1=Kirk|last1=Miller|first2=Craig|last2=Cornelius}}</ref> - Used to mark tone for the [[Chatino language|Chatino]] orthography in Oaxaca, Mexico; Used as a generic transcription for a falling tone; Usedused in para-[[International Phonetic Alphabet|IPA]] notation.
* Ꝼ ꝼ : [[Insular script|Insular]] F is used in Norse and Old English contexts<ref>{{cite web |url = https://www.unicode.org/L2/L2006/06266-n3122-insular.pdf |title = L2/06-266: Proposal to add Latin letters and a Greek symbol to the UCS |date = 2006-08-06 |first = Michael |last = Everson }}</ref>
* ꟻ : Reversed F was used in ancient Roman texts to stand for {{lang|la|filia}} (daughter) or {{lang|la|femina}} (woman)<ref>{{cite web |url = https://www.unicode.org/L2/L2006/06269-add-roman.pdf |title = L2/06-269: Proposal to Add Additional Ancient Roman Characters to UCS |date = 2006-08-01 |first = David J. |last = Perry }}</ref>
* Ⅎ ⅎ : [[Claudian letters]]<ref>{{cite web |url = https://www.unicode.org/L2/L2005/05193r2-n2960r2-claudian.pdf |title = L2/05-193R2: Proposal to add Claudian Latin letters to the UCS |date = 2005-08-12 |first = Michael |last = Everson }}</ref>
* 𐤅: [[Phoenician alphabet|Semitic]] letter [[Waw (letter)|Waw]], from which the following symbols originally derive:
** Ϝ ϝ : [[Greek alphabet|Greek]] letter [[Digamma]], from which F derives:
*** 𐌅 : [[Old Italic script|Old Italic]] V/F (originally used for V, in languages such as Etruscan and Oscan), which derives from Greek Digamma, and is the ancestor of modern Latin F
*** Y y : Latin letter [[Y]], sharing its roots with F
*** V v : Latin letter [[V]], also sharing its roots with F
**** U u : Latin letter [[U]], which is descended from V
**** W w : Latin letter [[W]], also descended from V
 
=== Ligatures and abbreviations ===
* ₣ : [[French franc]], Latin capital letter F with stroke
* {{not a typo|℉}} : [[Fahrenheit|degree Fahrenheit]]
* F : [[Fluorine]], a chemical element uses the symbol F
 
== Other representations ==
==Code= pointsComputing <span class="anchor" id="Computing codes"></span> ===
These are the [[code point]]s for the forms of the letter in various systems:
{{charmap
| 0046 | 0066 | name1 = Latin Capital Letter F | name2 = Latin Small Letter F
| FF26 | name3 = FULLWIDTH LATIN CAPITAL LETTER F
| FF46 | name4 = FULLWIDTH LATIN SMALL LETTER F
| map1 = [[EBCDIC]] family | map1char1 = C6 | map1char2 = 86
| map2 = [[ASCII]]{{efn|Also <sup>1</sup>for encodings based on ASCII, including the DOS, Windows, ISO-8859 and Macintosh families of encodings.}} | map2char1 = 46 | map2char2 = 66
}}
: <sup>1</sup> {{midsize|Also for encodings based on ASCII, including the DOS, Windows, ISO-8859 and Macintosh families of encodings.}}
 
=== Other representations ===
{{Letter other reps
|NATO = Foxtrot
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}}
 
==Use as a number==
In the [[hexadecimal]] (base 16) numbering system, F is a number that corresponds to the number 15 in [[decimal]] (base 10) counting.
{{clear}}
 
== Notes ==
{{NoteFootNotelist}}
 
== References ==
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* {{Wiktionary-inline|f}}
 
{{-}}
{{Latin alphabet|F|}}