This page supplements counter machine.
Although some authors use the name "register machine" synonymously with "counter machine", this article will give details and examples of only of the most primitive species – the "counter machine" – of the genus "register machine."
Within the species "counter machine" there are a number of varieties: the models of Hermes (1954), Kaphengst (1957), Ershov (1958), Peter (1958), Minsky (1961) and Minsky (1967), Melzak (1961), Lambek (1961), Shepherdson and Sturgis (1963), and Schönhage (1980). These models will be described in more detail in the following.
Famous quotes containing the words counter, machine and/or models:
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—J.G. (James Graham)
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—Marshall McLuhan (1911–1980)