VU-Calc SINCLAIR February 84 818 Mar84 Sources (click here for more information on the data shown below)ZX81 (Boots)9WEEK to c.84-02-02PoCW p58 84-02-098WEEK to c.84-03-22PoCW p62 84-03-298WEEK to c.84-03-29PoCW p62 84-04-05