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The user of an abacus is called an abacist who slides the beads of the abacus by hand.

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Wikipedia About Abacus

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The user of an abacus is called an abacist who slides the beads of the abacus by hand.

Etymology

The use of the word abacus dates before 1387 AD, when a Middle English work borrowed the word from Latin to describe a sandboard abacus. The Latin word came from abakos, Hebrew ābāq, "dust". The preferred plural of abacus is a subject of disagreement, but both abacuses, and abaci are in use.

Mesopotamian abacus

The period 2700–2300 BC saw the first appearance of the Sumerian abacus, a table of successive columns which delimited the successive orders of magnitude of their [[sexagesimal number system.

Babylonians may have used the abacus for the operations of addition and subtraction. However, this primitive device proved difficult to use for more complex calculations. Some scholars point to a character from the Babylonian cuneiform which may have been derived from a representation of the abacus.

Egyptian abacus

The use of the abacus in Ancient Egypt is mentioned by the Greek historian Herodotus, who writes that the manner of this disk's usage by the Egyptians was opposite in direction when compared with the Greek method. Archaeologists have found ancient disks of various sizes that are thought to have been used as counters. However, wall depictions of this instrument have not been discovered, casting some doubt over the extent to which this instrument was used.

Iranian Persian abacus

During the Achaemenid Persian Empire, around 600 BC, Iranians first began to use the abacus. Under Parthian and Sassanian Iranian empires, scholars concentrated on exchanging knowledge and inventions by the countries around them – India, China, and the Roman Empire, when it is thought to be expanded over the other countries.

Greek abacus

The earliest archaeological evidence for the use of the Greek abacus dates to the 5th century BC. The Greek abacus was a table of wood, pre-set with small counters in wood or metal for mathematical calculations. This Greek abacus saw use in Ancient Rome and, until the French Revolution, the Western Christian world.

A tablet found on the Salamis in 1846 AD dates back to 300 BC. It is a slab of white marble 149 cm long, 75 cm wide, and 4.5 cm thick, on which are 5 groups of markings. In the center of the tablet is a set of 5 parallel lines equally divided by a vertical line, capped with a semicircle at the intersection of the bottom-most horizontal line and the single vertical line. Below these lines is a wide space with a horizontal crack dividing it. Below this crack is another group of eleven parallel lines, again divided into two sections by a line perpendicular to them, but with the semicircle at the top of the intersection; the third, sixth and ninth of these lines are marked with a cross where they intersect with the vertical line.

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News about Abacus

Epsilon Targeting combines multiple data sources

DMNewsEpsilon has launched a new business division it's calling Epsilon Targeting that combines its new mover data compilation Epsilon Data Services; Abacus, the transactional co-op database giant; and ICOM Information & Communications, a direct-response consumer survey database. The company chose this "new wrapper" for its suite of services because the service focus was not just on aggregating data, .....http://www.dmnews.com/Epsilon-Targeting-combines-multiple-da...

Fashion Farewell

British VogueLONDON-based designer Ben de Lisi has decided to close his eponymous womenswear business as of this June and will close his Elizabeth Street flagship to focus on new challenges.http://www.vogue.co.uk/news/daily/090508-ben-de-lisi-closes-...

Movie review: 'Star Trek'

The OregonianThe new movie is full of life, wit, smarts, thrills and sheer gratifying entertainment.http://blog.oregonlive.com/madaboutmovies/2009/05/review_bol...

Wolf Hall, By Hilary Mantel

IndependentHilary Mantel's seductive historical novel begins with a command: "So now get up." A boy is being beaten by his brutish father. It's a neat way of launching a story which revolves around notions of command, duty, loyalty, conscience and state violence. Henry Vlll wants to dump his first wife and marry Anne Boleyn – but this isn't just another retread of the lusty monarch mad with desire for his ...http://www.independent.co.uk/arts-entertainment/books/review...

David Mellor: Influential designer whose classic and innovative work ranged from cutlery to street furniture

IndependentFor almost 50 years David Mellor was one of Britain's leading designers. Working in various fields, as a silversmith, in urban and product design, and with the design and manufacture of cutlery, he pursued innovation and excellence and had far-reaching influence. He not only made exclusive silverware for churches and cathedrals, embassies, universities and livery companies, but also introduced ...http://www.independent.co.uk/news/obituaries/david-mellor-in...

News about Abacus

Charity stalwart and businessman who raised £3m for good causes ...

This is DerbyshireThe couple moved to Derbyshire 30 years ago when they bought Barton Blount Hall, in Church Broughton, which they restored. The chairman of Abacus Lighting, Sutton-in-Ashfield, died at St Oswald's Hospital, in Ashbourne, aged 84, following a battle ... http://www.thisisderbyshire.co.uk/news/3m-charity-stalwart-m...

David Mellor

Guardian UnlimitedThis would lead to designs for street lighting for the manufacturers Abacus, and a reappraisal of the nation's traffic lights (1965-70). During Harold Wilson's "white heat of technology" government (1964-66), the postmaster-general, Anthony Wedgwood ... http://www.guardian.co.uk/artanddesign/2009/may/08/obituary-...

David Mellor: Influential designer whose classic and innovative work ...

The IndependentAbacus were persuaded to produce his street lights, the initial inspiration for which came from the steel lighting columns he had seen in the Borghese Gardens in Rome. This marked the start of a successful sequence of designs for urban use ... http://www.independent.co.uk/news/obituaries/david-mellor-in...

Premier League: Aston Villa v Hull City - as it happened

Guardian UnlimitedWell, I don't have my abacus to hand but I'd wager the Leeds team that went down a few years back was worth more. 2 mins: Knights nuts a long throw-in to the edge of the area, where Ashbee arrives to smash a powerful volley just wide. 4 mins: It's a ... http://www.guardian.co.uk/football/2009/may/04/premier-leagu...

Reader comments: To rate or not to rate?

Topeka Capital-JournalSince we launched, I've received quite a few requests that we offer comment ratings and what seems like an equal number requests that we not offer them. But my brain is far from an abacus. So let us know what you think by voting in the poll below ... http://cjonline.com/interact/blog/kurt_caywood/2009-05-04/re...

Search results for Abacus

Abacus definition | Dictionary.com

Copy & paste this link to your blog or website to reference this pagehttp://dictionary.reference.com/browse/Abacus

Abacus Payroll ::

It’s Easy Simply submit the employee earnings & deductions information and we will handle the rest. From paychecks to tax ... http://www.payrollprovider.com/

The Abacus: Index

Contents Introduction Construction · Basics · Java Applet · Technique · The Abacus Today . History Timeline · Salamis Tablet · Counting Board · Roman Hand ... http://www.ee.ryerson.ca/~elf/abacus/

Abacus (architecture) - Wikipedia, the free encyclopedia

In architecture, an abacus (from the Greek abax, slab; or French abaque, tailloir; plural abacuses or abaci) is a flat slab forming the uppermost member or division of the capital ... http://en.wikipedia.org/wiki/Abacus_%28architecture%29

Abacus Incorporated

Abacus has over twenty five years experience and the largest national supplier of calculators in Australia. With offices in Sydney, Melbourne, Perth, Adelaide and Brisbane.http://www.abacus.com.au/

Wikipedia results for Abacus

Abacus - Wikipedia, the free encyclopedia

An abacus, also called a counting frame, is a calculating tool used primarily in parts of Asia for performing arithmetic processes. Today, abacuses are often constructed as a ... http://en.wikipedia.org/wiki/Abacus

Abacus (architecture) - Wikipedia, the free encyclopedia

In architecture, an abacus (from the Greek abax, slab; or French abaque, tailloir; plural abacuses or abaci) is a flat slab forming the uppermost member or division of the capital ... http://en.wikipedia.org/wiki/Abacus_%28architecture%29

Roman abacus - Wikipedia, the free encyclopedia

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 ... http://en.wikipedia.org/wiki/Roman_abacus

Abacus system - Wikipedia, the free encyclopedia

The abacus system of mental calculation is a system where users mentally visualize an abacus to do calculations. No physical abacus is used; only the answers are written down.http://en.wikipedia.org/wiki/Abacus_system

Abacus (disambiguation) - Wikipedia, the free encyclopedia

Abacus may refer to: Abacus, or counting frame. Abacus system, mental calculation method; Abacus logic, a logic equivalent to the mathematical abacushttp://en.wikipedia.org/wiki/Abacus_(disambiguation)
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The Abacus - How to Use This Ancien...

The Abacus - How to Use This Ancient WonderEver wonder about the abacus? This venerable classic is surprisingly easy to use. Check out this brief demo!Flash - Video

Build your own wooden Abacus B!

Build your own wooden Abacus B!WoodMarvels.com is all about instilling a sense of pride in not only yourself but in those around you while creating a carbon neutral impact on the environment! We sell easy to...Flash - Video

Build your own wooden Abacus B!

Build your own wooden Abacus B!WoodMarvels.com is all about instilling a sense of pride in not only yourself but in those around you while creating a carbon neutral impact on the environment! We sell easy to...Flash - Video

05222008-Americans Compete with Jap...

05222008-Americans Compete with Japanese Abacus05222008-Americans Compete with Japanese AbacusWindows Media - Video

Build your own wooden Abacus B!

Build your own wooden Abacus B!WoodMarvels.com is all about instilling a sense of pride in not only yourself but in those around you while creating a carbon neutral impact on the environment! We sell easy to...Video - Video

Answers for Abacus

craxiaznxboiAbacus?????????????craxiaznxboiThe specific inventor of the abacus is unknown and its origin sometimes raises arguements since many different places had similar devices. It has existed in Babylon and China between 1000BC and 500BC....JTWhat are the benefits of learning the abacus?JTThis website explains a lot of its advantages (and the chart at the bottom is proof that it has advantages)choppedstickHow would an abacus be better than a calculator?choppedstickYes calculators were MUCH slower back then. Calculators are computers. It was only about 60 years ago that the first computer EVER was created. Its called the ENIAC and it was huge. Computers operat...grace gHow to secure a contract with a GDS (Amadeus, Abacus or Galileo).?grace gMust be done thru a legal and bounded travel agency. All transactions are going thru the ARC. www.galileo.com or www.travelport.com ( samething) www.sabre.com If you work from a travel agency, th...Rainier JHow much abacus in the Philippines?Rainier JYes as the first answerer have said, you have to go to any major mall near your place, if you can't go to downtown Manila. I do not know how much they cost now, & the one I have is old that somebod...
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