🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ341835· pop 29· linked from 134 articlesAckermann functiontotal non-primitive-recursive computable functionAvailable in 29 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةCatalanConnectionsrecursionEntityfloor and ceiling functionsEntityCategoriesArithmeticComputability theoryLarge integersSpecial functionsTheory of computation