🌐日本語EnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaРусский中文日本語EntityQ1474614· pop 15· linked from 3 articles関数項級数series in which the summands are not just real or complex numbers but functionsAvailable in 14 languagesFrançais中文РусскийPortuguêsItalianoBanglabe_x_oldBosnianHebrewKazakhConnectionscomplex numberEntityadditionEntityCategoriesMathematical analysisSeries (mathematics)