Science of Cambridge was producing ZX80s at the rate of 9,000 a month by the end of 1980 and within 18 months of its launch the company had sold 100,000 units.
A Science of Cambridge producía ZX80s no índice de 9 000 por mes polo fin de 1980 e, ó cabo de 18 meses do lanzamento, vendéronse 100 000 unidades.