A series is often represented as the sum of a sequence of terms.
ʌ WORD_BOUNDARY s ɪ ɹ i z WORD_BOUNDARY ɪ z WORD_BOUNDARY ɔ f ə n WORD_BOUNDARY ɹ ɛ p ɹ ɪ z ɛ n t ɪ d WORD_BOUNDARY æ z WORD_BOUNDARY ð ə WORD_BOUNDARY s ʌ m WORD_BOUNDARY ə v ə WORD_BOUNDARY s iː k w ə n s WORD_BOUNDARY ʌ v WORD_BOUNDARY t ɜː m z WORD_BOUNDARY