The in the produced in the GDR learning computer LC80 was a single-board computer,which was designed for teaching purposes. It was programmed by entering hexadecimal machine code via a built-in calculator keyboard. The LC80 was established in 1982 in the “VEB Kombinat Mikroelektronik Erfurt”. Far more important was the home computer series KC85 in the education system of the GDR, which was produced in 1984.