Refal

ja

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Refal

Quality:

Refal - functional programming language oriented toward symbolic computations. This programming language is the 387th most popular in the global Wikipedia ranking of programming languages and the 390th most popular programming language in Japanese Wikipedia. Article “Refal” in Japanese Wikipedia has 1.9 points for quality (as of July 1, 2026). The article contains 0 references and 3 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.21 points.

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

Achievements in all the time:
Japanese Wikipedia:
Global Wikipedia:
The 387th most popular in programming languages.

Since the creation of article “Refal”, its content was written by 4 registered users of Japanese Wikipedia and edited by 73 registered Wikipedia users in all languages.

Refal is on the 390th place in local ranking of programming languages in Japanese Wikipedia and on the 387th place in global ranking of programming languages in all the time.

The article is cited 3 times in Japanese Wikipedia and cited 93 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Japanese): #104725 in September 2013
  • Global: #221631 in October 2010

The highest popularity rank from 2008:

  • Local (Japanese): #602550 in November 2008
  • Global: #228741 in November 2015

There are 5 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.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
Refal
17.9621
2Russian (ru)
Рефал
9.5848
3Ukrainian (uk)
РЕФАЛ
8.0841
4Japanese (ja)
Refal
1.8682
5Bulgarian (bg)
РЕФАЛ
1.141
More...

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

Most popular in all the time

The most popular language versions of the article "Refal" in all the time
#LanguagePopularity awardRelative popularity
1Russian (ru)
Рефал
172 459
2English (en)
Refal
128 929
3Ukrainian (uk)
РЕФАЛ
5 943
4Japanese (ja)
Refal
4 064
5Bulgarian (bg)
РЕФАЛ
2 338
More...

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

Most popular in June 2026

The most popular language versions of the article "Refal" in June 2026
#LanguagePopularity awardRelative popularity
1English (en)
Refal
373
2Russian (ru)
Рефал
277
3Japanese (ja)
Refal
17
4Bulgarian (bg)
РЕФАЛ
5
5Ukrainian (uk)
РЕФАЛ
2
More...

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

The highest AI

Language versions of the article "Refal" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Refal
31
2Russian (ru)
Рефал
24
3Ukrainian (uk)
РЕФАЛ
10
4Bulgarian (bg)
РЕФАЛ
4
5Japanese (ja)
Refal
4
More...

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

The highest AI in June 2026

Language versions of the article "Refal" with the highest AI in June 2026
#LanguageAI awardRelative AI
1Bulgarian (bg)
РЕФАЛ
0
2English (en)
Refal
0
3Japanese (ja)
Refal
0
4Russian (ru)
Рефал
0
5Ukrainian (uk)
РЕФАЛ
0
More...

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

The highest CI

Language versions of the article "Refal" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Russian (ru)
Рефал
58
2English (en)
Refal
22
3Ukrainian (uk)
РЕФАЛ
10
4Japanese (ja)
Refal
3
5Bulgarian (bg)
РЕФАЛ
0
More...

Scores

Estimated value for Wikipedia:
Japanese:
Global:
Popularity in June 2026:
Japanese:
Global:
Popularity in all years:
Japanese:
Global:
Authors in June 2026:
Japanese:
Global:
Registered authors in all years:
Japanese:
Global:
Citations:
Japanese:
Global:

Quality measures

Interwikis

#LanguageValue
bgBulgarian
РЕФАЛ
enEnglish
Refal
jaJapanese
Refal
ruRussian
Рефал
ukUkrainian
РЕФАЛ

Popularity rank trends

Best Rank Japanese:
#602550
11.2008
Global:
#228741
11.2015

AI rank trends

Best Rank Japanese:
#104725
09.2013
Global:
#221631
10.2010

Languages comparison

Important global interconnections (July 2025 – June 2026)

Wikipedia readers most often find their way to information on Refal from Wikipedia articles about Markov algorithm, Valentin Turchin, Elbrus, Homoiconicity and Functional programming. Whereas reading the article about Refal people most often go to Wikipedia articles on Valentin Turchin, Pattern matching, Functional programming, Lisp and Markov algorithm.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

en: Refal
ja: Refal

News from 1 July 2026

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 Japanese Wikipedia the most popular articles on that day were: 橋本愛 (1996年生), 超ときめき♡宣伝部, 塩貝健人, 鈴木彩艶, 泉里香, 谷口彰悟, 田中みな実, 佐野海舟, アーリング・ハーランド, 後藤輝樹.

About WikiRank

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