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. All calculations are done with sliding beads. Where the abacus originated is a question not fully answered. To the experienced operator the abacus is a blazing fast calculator and some people use the abacus to do fast mental calculations. The abacus is still widely used in rural parts of China and Japan. | + | == Overview == |
| + | The abacus is a manual calculator invented in China that can do [[addition]], [[subtraction]], [[multiplication]], [[division]], square roots and cube roots. All calculations are done with sliding beads. Where the abacus originated is a question not fully answered. To the experienced operator, the abacus is a blazing fast calculator and some people use the abacus to do fast mental calculations. The abacus is still widely used in rural parts of China and Japan. | ||
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[[Category:Calculators]] | [[Category:Calculators]] | ||
Latest revision as of 16:29, 9 July 2019
Overview
The abacus is a manual calculator invented in China that can do addition, subtraction, multiplication, division, square roots and cube roots. All calculations are done with sliding beads. Where the abacus originated is a question not fully answered. To the experienced operator, the abacus is a blazing fast calculator and some people use the abacus to do fast mental calculations. The abacus is still widely used in rural parts of China and Japan.
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