- manual calculating machine
- n.手摇计算机
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
History of computing hardware — Computing hardware is a platform for information processing (block diagram) The history of computing hardware is the record of the ongoing effort to make computer hardware faster, cheaper, and capable of storing more data. Computing hardware… … Wikipedia
computer — computerlike, adj. /keuhm pyooh teuhr/, n. 1. Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, and display the results of these operations. Cf. analog… … Universalium
Comptometer — Model ST (1930s) … Wikipedia
calculator — /kal kyeuh lay teuhr/, n. 1. a person who calculates or computes. 2. Also called calculating machine. a small electronic or mechanical device that performs calculations, requiring manual action for each individual opertion. 3. a person who… … Universalium
Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… … Universalium
Punched tape — Five hole and eight hole punched paper tape Punched tape or paper tape is an obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for… … Wikipedia
Mechanical Engineering Heritage (Japan) — Myriad year Japanese clock, Heritage No. 22 The Mechanical Engineering Heritage (Japan) (機械遺産, kikaiisan … Wikipedia
typewriter — /tuyp ruy teuhr/, n. 1. a machine for writing mechanically in letters and characters like those produced by printers types. See illus. under keyboard. 2. Print. a type style that gives the appearance of typewritten copy. 3. Older Use. a typist.… … Universalium
Curta calculator — Curta (Type I) mechanical calculator shown in the operational position (left hand). The crank is turned with the right hand. The Curta is a small, hand cranked mechanical calculator introduced in 1948. It has an extremely compact design: a small… … Wikipedia
Banknote counter — A modern electronic note counter with counterfeit detection capabilities A banknote counter (or bill counter) is a device designed primarily to accurately count a quantity of banknotes. Additionally, a banknote counter may sort banknotes into… … Wikipedia
Monroe Calculator Company — The Monroe Calculator Company was a leading maker of adding machines and calculators founded in 1912 by Jay R. Monroe and now known as Monroe Systems for Business. The company was also known as Monroe Calculating Machine Company, Monroe THE… … Wikipedia