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| | == Abacus == |
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| == About Abacus ==
| | Read at https://help.sugarlabs.org/abacus.html |
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| [[File:Abacus-icon.png]] | | The source file has been moved to [https://github.com/godiard/help-activity/blob/master/source/abacus.rst GitHub] |
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| [http://activities.sugarlabs.org/en-US/sugar/addon/4293/ download v1]
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| [http://en.wikipedia.org/wiki/Abacus Abacus] lets the learner explore different representations of numbers using different mechanical counting systems developed by the ancient Romans and Chinese. There are several different variants available for exploration: a [http://en.wikipedia.org/wiki/Suanpan suanpan], the traditional Chinese abacus with 2 beads on top and 5 beads below; a [http://en.wikipedia.org/wiki/Soroban soroban], the traditional Japanese abacus with 1 bead on top and 4 beads below; and the [http://en.wikipedia.org/wiki/Abacus#Russian_abacus schety], the traditional Russian abacus, with 10 beads per column, with the exception of one column with just 4 beads used for counting in fourths.
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| <gallery>
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| File:Suanpan.png|suanpan
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| File:Soroban.png|soropan
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| File:Schety.png|schety
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| </gallery>
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Latest revision as of 22:47, 14 June 2018
Abacus
Read at https://help.sugarlabs.org/abacus.html
The source file has been moved to GitHub