Partial function

Partial function - function whose actual domain of definition may be smaller than its input set. Article “Partial function” in English Wikipedia has 36.2 points for quality (as of July 1, 2026). The article contains 13 references and 12 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 1.91 points.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

In June 2026 the article “Partial function” was edited by 1 authors in English Wikipedia and written by 1 authors in all languages.

Since the creation of article “Partial function”, its content was written by 152 registered users of English Wikipedia and edited by 327 registered Wikipedia users in all languages.

The article is cited 240 times in English Wikipedia and cited 860 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #333 in July 2001
• Global: #358 in July 2001

The highest popularity rank from 2008:

• Local (English): #142440 in April 2015
• Global: #191927 in April 2015

There are 19 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Partial function		36.2338
2	Tamil (ta) பகுதிச் சார்பு		32.5315
3	Polish (pl) Funkcja częściowa		23.1607
4	Korean (ko) 부분 정의 함수		21.3178
5	Greek (el) Μερική συνάρτηση		18.7896
6	Japanese (ja) 部分写像		18.1261
7	German (de) Partielle Funktion		16.7115
8	Galician (gl) Función parcial		15.7842
9	Esperanto (eo) Parta funkcio		12.415
10	French (fr) Fonction partielle		11.8576

More...

The following table shows the most popular language versions of the article.

The most popular language versions of the article "Partial function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Partial function		943 044
2	German (de) Partielle Funktion		148 904
3	Spanish (es) Función parcial		97 212
4	Italian (it) Funzione parziale		45 084
5	Polish (pl) Funkcja częściowa		38 970
6	French (fr) Fonction partielle		31 139
7	Portuguese (pt) Função parcial		29 476
8	Japanese (ja) 部分写像		23 659
9	Hebrew (he) פונקציה חלקית		16 201
10	Dutch (nl) Partiële functie		11 860

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Partial function" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Partial function		2 126
2	Japanese (ja) 部分写像		212
3	German (de) Partielle Funktion		160
4	Spanish (es) Función parcial		85
5	French (fr) Fonction partielle		60
6	Italian (it) Funzione parziale		58
7	Polish (pl) Funkcja częściowa		52
8	Portuguese (pt) Função parcial		41
9	Catalan (ca) Funció parcial		36
10	Esperanto (eo) Parta funkcio		31

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Partial function" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Partial function		152
2	German (de) Partielle Funktion		44
3	Spanish (es) Función parcial		19
4	Italian (it) Funzione parziale		16
5	Hebrew (he) פונקציה חלקית		15
6	French (fr) Fonction partielle		14
7	Dutch (nl) Partiële functie		14
8	Polish (pl) Funkcja częściowa		13
9	Portuguese (pt) Função parcial		12
10	Japanese (ja) 部分写像		7

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Partial function" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Partial function		1
2	Catalan (ca) Funció parcial		0
3	German (de) Partielle Funktion		0
4	Greek (el) Μερική συνάρτηση		0
5	Esperanto (eo) Parta funkcio		0
6	Spanish (es) Función parcial		0
7	Persian (fa) تابع جزئی		0
8	Finnish (fi) Osittaisfunktio		0
9	French (fr) Fonction partielle		0
10	Galician (gl) Función parcial		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Partial function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Partial function		240
2	Polish (pl) Funkcja częściowa		114
3	Japanese (ja) 部分写像		104
4	Portuguese (pt) Função parcial		99
5	Esperanto (eo) Parta funkcio		50
6	Greek (el) Μερική συνάρτηση		48
7	German (de) Partielle Funktion		41
8	Spanish (es) Función parcial		29
9	Korean (ko) 부분 정의 함수		22
10	Persian (fa) تابع جزئی		19

More...

#	Language	Value
ca	Catalan Funció parcial
de	German Partielle Funktion
el	Greek Μερική συνάρτηση
en	English Partial function
eo	Esperanto Parta funkcio
es	Spanish Función parcial
fa	Persian تابع جزئی
fi	Finnish Osittaisfunktio
fr	French Fonction partielle
gl	Galician Función parcial
he	Hebrew פונקציה חלקית
it	Italian Funzione parziale
ja	Japanese 部分写像
ko	Korean 부분 정의 함수
nl	Dutch Partiële functie
pl	Polish Funkcja częściowa
pt	Portuguese Função parcial
ta	Tamil பகுதிச் சார்பு
uk	Ukrainian Часткова функція

Best Rank

English: #142440 04.2015

Global: #191927 04.2015

Best Rank

English: #333 07.2001

Global: #358 07.2001

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In English Wikipedia the most popular articles on that day were: 2026 FIFA World Cup, Harry Kane, Julián Quiñones, List of FIFA World Cup top goalscorers, Kylian Mbappé, Democratic Republic of the Congo, Erling Haaland, DR Congo national football team, Melat Kiros, FIFA World Cup.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information