The NDR Klein Computer, abbreviated NKC, was a do-it-yourself computer project from the early 1980s developed by Rolf-Dieter Klein and Joachim Arendt. In 1984, the computer was featured in the educational television series NDR-Klein-Computer for NDR-Schulfernsehen (NDR School Television). It was also broadcast on the computer television show Computer Treff on the Bavarian TV network Bayerisches Fernsehen (BFS).