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. The abacus is still widely used in rural parts of China and Japan. | + | The abacus is a manual calculator that can do [[addition]], [[subtraction]], [[multiplication]], [[division]], [[square roots|square root]] and [[cube roots|cube root]]. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator. The abacus is still widely used in rural parts of China and Japan. |
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[[Category:Calculators]] | [[Category:Calculators]] | ||
Revision as of 22:06, 22 January 2015
The abacus is a manual calculator that can do addition, subtraction, multiplication, division, square root and cube root. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator. The abacus is still widely used in rural parts of China and Japan.
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