Difference between revisions of "Abacus"
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The abacus is a manual calculator that can do addition, subtraction, multiplication, division, square roots and cube roots. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator. Still, in rural parts of China and Japan the abacus is still widely used. | The abacus is a manual calculator that can do addition, subtraction, multiplication, division, square roots and cube roots. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator. Still, in rural parts of China and Japan the abacus is still widely used. | ||
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Revision as of 12:10, 30 July 2008
The abacus is a manual calculator that can do addition, subtraction, multiplication, division, square roots and cube roots. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator. Still, in rural parts of China and Japan the abacus is still widely used.
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