🌐EnglishEnglishDeutschEspañolFrançaisPolskiSvenskaTiếng ViệtTürkçeРусский한국어中文日本語EntityQ2039387· pop 22· linked from 234 articlesextended real number lineAlso known as affinely extended real numbers, extended real numbers, set of extended real numbersextension of the reals by +∞ and −∞Available in 22 languagesEspañolFrançaisDeutsch中文日本語РусскийArmenianCatalanCzechFinnishConnectionsinfimum and supremumEntitycontinuous functionEntityCategoriesInfinityReal numbers