Quadratic function

Quadratic function - function defined by a polynomial of degree two. Article "Quadratic function" in English Wikipedia has 46.5 points for quality (as of July 1, 2025). The article contains 4 references and 17 sections.

This article has the best quality in Chinese Wikipedia. However, the most popular language version of this article is Spanish.

In June 2025 the article "Quadratic function" was edited by 2 authors in English Wikipedia and written by 7 authors in all languages.

Since the creation of article "Quadratic function", its content was written by 223 registered users of English Wikipedia and edited by 803 registered Wikipedia users in all languages.

The article is cited 236 times in English Wikipedia and cited 817 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #7562 in February 2003
• Global: #11527 in March 2004

The highest popularity rank from 2008:

• Local (English): #25714 in September 2014
• Global: #9655 in October 2013

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, 2025 (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	Chinese (zh) 二次函数		49.6107
2	English (en) Quadratic function		46.5104
3	Russian (ru) Квадратичная функция одной переменной		45.7615
4	Spanish (es) Función cuadrática		34.5205
5	Arabic (ar) دالة تربيعية		23.9299
6	Vietnamese (vi) Hàm số bậc hai		23.8563
7	Galician (gl) Función cadrática		23.7744
8	Italian (it) Funzione quadratica		23.2775
9	German (de) Quadratische Funktion		20.7849
10	Malay (ms) Fungsi kuadratik		18.3197

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

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

#	Language	Popularity award	Relative popularity
1	Spanish (es) Función cuadrática		7 076 944
2	English (en) Quadratic function		3 782 039
3	German (de) Quadratische Funktion		1 953 851
4	Japanese (ja) 二次関数		837 701
5	Russian (ru) Квадратичная функция одной переменной		535 701
6	Chinese (zh) 二次函数		456 970
7	Arabic (ar) دالة تربيعية		243 979
8	Korean (ko) 이차 함수		147 552
9	Vietnamese (vi) Hàm số bậc hai		72 164
10	Slovenian (sl) Kvadratna funkcija		62 960

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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 "Quadratic function" in June 2025

#	Language	Popularity award	Relative popularity
1	Spanish (es) Función cuadrática		10 536
2	English (en) Quadratic function		5 770
3	Korean (ko) 이차 함수		2 204
4	Russian (ru) Квадратичная функция одной переменной		1 318
5	Japanese (ja) 二次関数		1 244
6	Chinese (zh) 二次函数		1 175
7	German (de) Quadratische Funktion		1 033
8	French (fr) Fonction quadratique		518
9	Simple English (simple) Quadratic function		298
10	Italian (it) Funzione quadratica		265

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

Language versions of the article "Quadratic 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) Quadratic function		223
2	German (de) Quadratische Funktion		200
3	Spanish (es) Función cuadrática		143
4	Japanese (ja) 二次関数		46
5	Chinese (zh) 二次函数		40
6	Russian (ru) Квадратичная функция одной переменной		37
7	Korean (ko) 이차 함수		29
8	Arabic (ar) دالة تربيعية		19
9	Vietnamese (vi) Hàm số bậc hai		16
10	Italian (it) Funzione quadratica		13

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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 "Quadratic function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) Quadratische Funktion		2
2	English (en) Quadratic function		2
3	Korean (ko) 이차 함수		2
4	Simple English (simple) Quadratic function		1
5	Arabic (ar) دالة تربيعية		0
6	Spanish (es) Función cuadrática		0
7	Persian (fa) تابع مربعی		0
8	French (fr) Fonction quadratique		0
9	Galician (gl) Función cadrática		0
10	Hindi (hi) द्विघात फलन		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 "Quadratic function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Quadratic function		236
2	Japanese (ja) 二次関数		90
3	German (de) Quadratische Funktion		78
4	Spanish (es) Función cuadrática		63
5	Indonesian (id) Fungsi kuadrat		52
6	Chinese (zh) 二次函数		50
7	Arabic (ar) دالة تربيعية		37
8	Korean (ko) 이차 함수		31
9	Persian (fa) تابع مربعی		29
10	French (fr) Fonction quadratique		23

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#	Language	Value
ar	Arabic دالة تربيعية
de	German Quadratische Funktion
en	English Quadratic function
es	Spanish Función cuadrática
fa	Persian تابع مربعی
fr	French Fonction quadratique
gl	Galician Función cadrática
hi	Hindi द्विघात फलन
id	Indonesian Fungsi kuadrat
it	Italian Funzione quadratica
ja	Japanese 二次関数
ko	Korean 이차 함수
ms	Malay Fungsi kuadratik
ru	Russian Квадратичная функция одной переменной
simple	Simple English Quadratic function
sl	Slovenian Kvadratna funkcija
sr	Serbian Квадратна функција
vi	Vietnamese Hàm số bậc hai
zh	Chinese 二次函数

Best Rank

English: #25714 09.2014

Global: #9655 10.2013

Best Rank

English: #7562 02.2003

Global: #11527 03.2004

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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 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information