Stack machines have been around since the early sixties. Their architectural advantages were disputed by many experts for a long time. Burroughs Corporation exploited the advantages of the stack architecture to the fullest in their computers and this architecture has been called Burroughs architecture in the literature. Mainframe computers dominated the sixties and representative of the stack architecture machines in that era was the Burroughs line of machines. These were designed with ALGOL-60 in mind. Minicomputers made their presence felt in the seventies and companies like Digital Equipment Corporation and Hewlett-Packard Company held sway. Minicomputers, too, had a successful machine with the stack as a salient feature: the HP 3...