Quadratic function

Quadratic function - function defined by a polynomial of degree two. Article “Quadratic function” in English Wikipedia has 47.1 points for quality (as of July 1, 2026). The article contains 5 references and 17 sections.

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

In June 2026 the article “Quadratic function” was edited by 2 authors in English Wikipedia and written by 3 authors in all languages.

Since the creation of article “Quadratic function”, its content was written by 225 registered users of English Wikipedia and edited by 813 registered Wikipedia users in all languages.

The article is cited 236 times in English Wikipedia and cited 826 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #7555 in February 2003
• Global: #11553 in March 2004

The highest popularity rank from 2008:

• Local (English): #25886 in October 2014
• Global: #9576 in October 2012

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	Chinese (zh) 二次函数		49.5654
2	English (en) Quadratic function		47.1473
3	Russian (ru) Квадратичная функция одной переменной		45.7866
4	Spanish (es) Función cuadrática		34.304
5	German (de) Quadratische Funktion		24.9416
6	Arabic (ar) دالة تربيعية		23.8813
7	Vietnamese (vi) Hàm số bậc hai		23.8361
8	Galician (gl) Función cadrática		23.7899
9	Italian (it) Funzione quadratica		23.2931
10	Malay (ms) Fungsi kuadratik		18.4391

More...

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		7 128 290
2	English (en) Quadratic function		3 847 120
3	German (de) Quadratische Funktion		1 970 283
4	Japanese (ja) 二次関数		847 434
5	Russian (ru) Квадратичная функция одной переменной		631 746
6	Chinese (zh) 二次函数		471 111
7	Arabic (ar) دالة تربيعية		246 900
8	Korean (ko) 이차 함수		151 961
9	Vietnamese (vi) Hàm số bậc hai		73 556
10	Italian (it) Funzione quadratica		64 463

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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 2026

#	Language	Popularity award	Relative popularity
1	English (en) Quadratic function		3 324
2	Spanish (es) Función cuadrática		2 474
3	Chinese (zh) 二次函数		935
4	German (de) Quadratische Funktion		934
5	Korean (ko) 이차 함수		564
6	Russian (ru) Квадратичная функция одной переменной		544
7	Japanese (ja) 二次関数		380
8	French (fr) Fonction quadratique		308
9	Italian (it) Funzione quadratica		102
10	Simple English (simple) Quadratic function		74

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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		225
2	German (de) Quadratische Funktion		205
3	Spanish (es) Función cuadrática		144
4	Japanese (ja) 二次関数		46
5	Chinese (zh) 二次函数		41
6	Russian (ru) Квадратичная функция одной переменной		37
7	Korean (ko) 이차 함수		28
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 2026

#	Language	AI award	Relative AI
1	English (en) Quadratic function		2
2	Arabic (ar) دالة تربيعية		1
3	German (de) Quadratische Funktion		0
4	Spanish (es) Función cuadrática		0
5	Persian (fa) تابع مربعی		0
6	French (fr) Fonction quadratique		0
7	Galician (gl) Función cadrática		0
8	Hindi (hi) द्विघात फलन		0
9	Indonesian (id) Fungsi kuadrat		0
10	Italian (it) Funzione quadratica		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		87
3	German (de) Quadratische Funktion		76
4	Spanish (es) Función cuadrática		55
5	Chinese (zh) 二次函数		52
6	Indonesian (id) Fungsi kuadrat		51
7	Arabic (ar) دالة تربيعية		40
8	Korean (ko) 이차 함수		37
9	French (fr) Fonction quadratique		28
10	Persian (fa) تابع مربعی		26

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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: #25886 10.2014

Global: #9576 10.2012

Best Rank

English: #7555 02.2003

Global: #11553 03.2004

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