The Lost Boys or TLB where one of the first UK based demo crews to rise to a level that challenged the pre-emininence of the German and Scandanavian[?] demo crews of the time.
They were prominient in the Atari STdemo scene until around 1991 when their final demo "Ooh Crikey Wot a Scorcher" was released.
... – 4ac is called the discriminant of the quadratic equation, because it discriminates between three qualitatively different cases:
If the discriminant is zero, then ...