🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaРусскийفارسی한국어中文日本語EntityQ1503766· pop 19· linked from 280 articlesnonstandard analysisAlso known as non-standard analysisalternative formulation of calculus using a logically rigorous notion of infinitesimal numbersAvailable in 18 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBanglaChuvashConnectionsmathematical analysisEntitylimit of a functionEntityCategoriesInfinityNonstandard analysisReal closed field