Calculator and computer legend Jack Tramiel just passed away. His name isn’t as well known as Jobs or Gates, but it should be recalled that his Commodore 64, which came to the market in 1982, was the Model T of home computing, introducing zeros and ones into home addresses. In this 1977 video, a host presents the Commodore PET, a gorgeous machine that was ahead of its time.

Commodore’s Mini-Slide Rule, 1973: