Volterra's function

Volterra's function - differentiable function whose derivative is not Riemann integrable. Article “Volterra's function” in English Wikipedia has 11.3 points for quality (as of July 1, 2025). The article contains 0 references and 5 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.59 points.

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

Since the creation of article “Volterra's function”, its content was written by 22 registered users of English Wikipedia and edited by 40 registered Wikipedia users in all languages.

The article is cited 9 times in English Wikipedia and cited 17 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #61622 in August 2004
• Global: #122272 in August 2004

The highest popularity rank from 2008:

• Local (English): #79840 in May 2015
• Global: #150113 in May 2015

There are 4 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	Catalan (ca) Funció de Volterra		36.2374
2	Greek (el) Συνάρτηση του Βολτέρρα		30.9035
3	French (fr) Fonction de Volterra		13.5552
4	English (en) Volterra's function		11.2546

More...

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

The most popular language versions of the article "Volterra's function" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Volterra's function		189 794
2	French (fr) Fonction de Volterra		6 196
3	Greek (el) Συνάρτηση του Βολτέρρα		189
4	Catalan (ca) Funció de Volterra		67

More...

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 "Volterra's function" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Volterra's function		971
2	French (fr) Fonction de Volterra		32
3	Catalan (ca) Funció de Volterra		14
4	Greek (el) Συνάρτηση του Βολτέρρα		9

More...

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

Language versions of the article "Volterra's 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) Volterra's function		22
2	French (fr) Fonction de Volterra		13
3	Greek (el) Συνάρτηση του Βολτέρρα		3
4	Catalan (ca) Funció de Volterra		2

More...

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

Language versions of the article "Volterra's function" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Catalan (ca) Funció de Volterra		1
2	Greek (el) Συνάρτηση του Βολτέρρα		0
3	English (en) Volterra's function		0
4	French (fr) Fonction de Volterra		0

More...

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

Language versions of the article "Volterra's function" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Volterra's function		9
2	Catalan (ca) Funció de Volterra		3
3	French (fr) Fonction de Volterra		3
4	Greek (el) Συνάρτηση του Βολτέρρα		2

More...

#	Language	Value
ca	Catalan Funció de Volterra
el	Greek Συνάρτηση του Βολτέρρα
en	English Volterra's function
fr	French Fonction de Volterra

Best Rank

English: #79840 05.2015

Global: #150113 05.2015

Best Rank

English: #61622 08.2004

Global: #122272 08.2004

On 9 December 2025 in multilingual Wikipedia, Internet users most often read articles on the following topics: Stranger Things, 2026 FIFA World Cup, Lando Norris, Millie Bobby Brown, Sean Combs, It: Welcome to Derry, ChatGPT, Zootopia 2, deaths in 2025, Cassie Ventura.

In English Wikipedia the most popular articles on that day were: Dhurandhar, Philip Rivers, Google Chrome, Rehman Dakait, Sean Combs, It – Welcome to Derry, Deaths in 2025, Lando Norris, Bruce Lee, Cassie Ventura.

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