Algebra (from the Arabic "al-djebr" which means "reunion", "connection" or "completion") is a branch of mathematics which may be defined as a generalization and extension of arithmetic. The field may be roughly divided in
... the band in 1979, and Brent Mydland[?] joined as keyboardist. Brent was the keyboardist until his death in 1990. Without missing a show, Vince Welnick[?] joined as th ...