Noun
a small machine that is used for mathematical calculations; can be mechanical or electronic
Source: WordNetThere is then no analogy whatever between the operations of the Chess-Player, and those of the calculating machine of Mr. Babbage, and if we choose to call the former a pure machine we must be prepared to admit that it is, beyond all comparison, the most wonderful of the inventions of mankind. Edgar Allan Poe
I know that the right kind of leader for the Labour Party is a kind of desiccated calculating machine. Aneurin Bevan
So, he invented a " calculating machine " designed to ease the monotony of clerical work. Source: Internet
It is regarded as the first personal computer produced by a company (that is, a desktop electronic calculating machine programmable by non-specialists for personal use). Source: Internet
An office calculating machine with a paper printer. Source: Internet
He met with the Royal Society where he demonstrated a calculating machine that he had designed and had been building since 1670. Source: Internet