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by Drublic on February 4th, 2007

Drublic

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How does the abacus work?

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  • by canadianhelper on February 4th, 2007

    canadianhelper

    There are many types but I'll offer some links:
    An abacus is a calculation tool, often constructed as a wooden frame with beads sliding on wires. It was in use centuries before the adoption of the written Hindu-Arabic numeral system and is still widely used by merchants and clerks in China, Japan, Hong Kong, Africa and elsewhere.


    http://webhome.idirect.com/~totton/abacus/pages.htm

    This page will teach you.

    Here is an online one to practice with.

    http://www.tux.org/~bagleyd/java/AbacusAppJS.html

    More links

    The Abacus: The Art of Calculating with Beads
    http://www.ee.ryerson.ca:8080/~elf/abacus/

    Math Mojo with the Abacus
    http://www.mathmojo.com/abacus/mathmojowiththeabacus.html

    Video:
    http://concise.britannica.com/ebc/art-83564

    Comments

    • Great research. I have two of them that I bought for decoration purposes, but would like to know how to use them. Thanks.

      Drublic

      by Drublic on February 4th, 2007

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