| 11. | This abacus-like device employed a sliding bar to make calculations.
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| 12. | .xxx-Abacus America Inc ., an Internet services company.
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| 13. | But there is no abacus for this type of accounting.
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| 14. | Abacus, 4511 McKinney Avenue; ( 214 ) 559-3111.
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| 15. | VCM confesses that the last thing it invented was a noiseless abacus.
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| 16. | Abacus experts are faster than most people using computer keypads.
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| 17. | Banks in remote parts of the country still use abacuses.
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| 18. | People used to need the abacus to get a job,
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| 19. | The abacus uses a completely graphical system for creating calculations.
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| 20. | Worldspan and Abacus entered into a series of business and technology relationships.
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