High Quality Content by WIKIPEDIA articles! The Educator 64`, also known as the PET 64 and Model 4064,` was a microcomputer made by Commodore Business Machines in 1983. It was sold to schools as a replacement for aging Commodore PET systems. The 4064 designation followed in line with the PET`s 4008, 4016 and 4032 models as a 64kB 40-column model.