🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaРусский中文日本語EntityQ1474614· pop 15· linked from 3 articlesfunction seriesseries in which the summands are not just real or complex numbers but functionsAvailable in 14 languagesFrançais中文РусскийPortuguêsItalianoBanglabe_x_oldBosnianHebrewKazakhConnectionscomplex numberEntityadditionEntityCategoriesMathematical analysisSeries (mathematics)