| 释义 |
calculator|ˈkælkjʊˌleɪtə(r)|
[a. L. calculātor, n. of agent f. calculā-re, corresp. to F. calculateur: see calculate and -or.]
1. One who calculates; a reckoner.
c1380Wyclif Sel. Wks. II. 408 Siche ben many calkelatours. 1611Cotgr. Calculateur, a reckoner, calculator. 1722De Foe Plague (1884) 227 Calculators of Nativities. 1841Thackeray Sec. Fun. Nap. ii. (Pock. ed. 1887) 321 Economists and calculators. 1841–4Emerson Ess. Experience Nature hates calculators; her methods are saltatory and impulsive.
2. a. A set of tables to facilitate calculations. b. A mechanical contrivance for performing certain calculations; a calculating machine.
1784Thomson (title) The Universal Calculator. 1824W. Walton (title) The Complete Calculator..and Universal Ready Reckoner. 1876S. Kensington Museum Catal. No. 831 This screw bears a calculator which serves to read angular displacements of less than 20 seconds.
c. An electronic device for performing calculations, now esp. one that is preprogrammed; spec. (more fully pocket calculator) a flat hand-held calculator with a keyboard and visual display.
Formerly used where computer is now usual.
1946[see sequence-controlled ppl. adj. s.v. sequence n. 8]. 1946Sci. Amer. June 248/3 (heading) Electronic calculator uses 18,000 tubes to solve complex problems. 1958[see electronic brain s.v. electronic a. 3]. 1965Product Engin. 10 May 48 (caption) Electronic desktop calculator. 1970Computer Design June 34/1 (heading) LSI, electronic printout bases of ‘pocket’ electronic calculator. 1973[see micro- 8 a]. 1976Globe & Mail (Toronto) 23 Feb. 4/2 The digital watch is a natural followup to the electronic calculator and many watch distributors..sell the calculators as well. 1978[see pocket n. 12 a]. 1978John Moores Catal. Spring–Summer 813 You can, of course, work out percentages on any calculator, but it is easier and quicker if you have a separate % key. 1983Austral. Microcomputer Mag. Nov. 105/3 Casio is gearing up to make about 1 million thin credit-card calculators a month. |