🌐日本語EnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسیहिन्दी한국어中文日本語EntityQ2001982· pop 12· linked from 51 articles表記法system of symbols to represent facts or quantitiesWikidata factsShow 1 more factP13411Altona-NordSources (3)wikidata.orgdocs.openalex.orgweb.archive.orgvia Wikidata · CC0Available in 11 languagesDeutsch中文العربيةहिन्दीDanishFinnishNederlandsSvenskaUkrainianفارسیvia Wikidata sitelinks · CC0ConnectionsAresti CatalogEntitymathematicsEntityCategoriesModeling languagesNotationWritten communication