abacus (a device for calculations)

См. также в других словарях:

• abacus — /ab euh keuhs, euh bak euhs/, n., pl. abacuses, abaci /ab euh suy , kuy , euh bak uy/. 1. a device for making arithmetic calculations, consisting of a frame set with rods on which balls or beads are moved. 2. Archit. a slab forming the top of the …   Universalium

• abacus — An ancient device for performing arithmetic calculations by sliding beads along rods or in grooves. Despite the spread of electronic calculators and computers, the abacus is still widely used in the Far East …   Accounting dictionary

• abacus — ab•a•cus [[t]ˈæb ə kəs, əˈbæk əs[/t]] n. pl. ab•a•cus•es, ab•a•ci [[t]ˈæb əˌsaɪ, ˌkaɪ, əˈbæk aɪ[/t]] 1) a device for making arithmetical calculations, consisting of a frame set with rods on which balls or beads are moved 2) archit. a slab forming …   From formal English to slang

• Abacus — For other uses, see Abacus (disambiguation). A Chinese abacus …   Wikipedia

• abacus — ab·a·cus (ăb’ə kəs, ə băk’əs) n. pl. ab·a·cus·es or ab·a·ci (ăb’ə sī′, ə băk’ī′) 1) A manual computing device consisting of a frame holding parallel rods strung with movable counters. 2) Architecture A slab on the top of the capital of a column.… …   Word Histories

• Roman abacus — The Romans developed the Roman hand abacus, a portable, but less capable, base 10 version of the previous Babylonian abacus. It was the first portable calculating device for engineers, merchants and presumably tax collectors. It greatly reduced… …   Wikipedia

• Slide rule — For other uses, see Slide rule (disambiguation). A typical ten inch student slide rule (Pickett N902 T simplex trig). The slide rule, also known colloquially as a slipstick,[1] is a mechanical analog computer. The slide rule is used primarily for …   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

• 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

• Algorithm — Flow chart of an algorithm (Euclid s algorithm) for calculating the greatest common divisor (g.c.d.) of two numbers a and b in locations named A and B. The algorithm proceeds by successive subtractions in two loops: IF the test B ≤ A yields yes… …   Wikipedia

• MATHEMATICS — Bible The Bible does not deal directly with proper mathematical subjects; however there are some parts that do relate indirectly to different mathematical topics. These are widely discussed by the various commentators on the Bible and Talmud: the …   Encyclopedia of Judaism