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- Suanpan abstract "The Suan Pan (simplified Chinese: 算盘; traditional Chinese: 算盤; pinyin: suànpán) is an abacus of Chinese origin first described in a 190 CE book of the Eastern Han Dynasty, namely Supplementary Notes on the Art of Figures written by Xu Yue. However, the exact design of this suanpan is not known.Usually, a suanpan is about 20 cm (8 in) tall and it comes in various widths depending on the application. It usually has more than seven rods. There are two beads on each rod in the upper deck and five beads on each rod in the bottom deck. This configuration is used for both decimal and hexadecimal computation. The beads are usually rounded and made of a hardwood. The beads are counted by moving them up or down towards the beam. The suanpan can be reset to the starting position instantly by a quick jerk around the horizontal axis to spin all the beads away from the horizontal beam at the center.Suanpans can be used for functions other than counting. Unlike the simple counting board used in elementary schools, very efficient suanpan techniques have been developed to do multiplication, division, addition, subtraction, square root and cube root operations at high speed.The modern suanpan has 4+1 beads, colored beads to indicate position and a clear-all button. When the clear-all button is pressed, two mechanical levers push the top row beads to the top position and the bottom row beads to the bottom position, thus clearing all numbers to zero. This replaces clearing the beads by hand, or quickly rotating the suanpan around its horizontal center line to clear the beads by centrifugal force.".
- Suanpan thumbnail Abacus_6.png?width=300.
- Suanpan wikiPageExternalLink suanpan.
- Suanpan wikiPageExternalLink suanpan.php.
- Suanpan wikiPageExternalLink abacus.html.
- Suanpan wikiPageID "956258".
- Suanpan wikiPageRevisionID "578693786".
- Suanpan hasPhotoCollection Suanpan.
- Suanpan p "suànpán".
- Suanpan s "算盘".
- Suanpan t "算盤".
- Suanpan subject Category:Abacus.
- Suanpan subject Category:Chinese_inventions.
- Suanpan subject Category:Mathematical_tools.
- Suanpan subject Category:Science_and_technology_in_China.
- Suanpan type Artifact100021939.
- Suanpan type Implement103563967.
- Suanpan type Instrumentality103575240.
- Suanpan type MathematicalTools.
- Suanpan type Object100002684.
- Suanpan type PhysicalEntity100001930.
- Suanpan type Tool104451818.
- Suanpan type Whole100003553.
- Suanpan comment "The Suan Pan (simplified Chinese: 算盘; traditional Chinese: 算盤; pinyin: suànpán) is an abacus of Chinese origin first described in a 190 CE book of the Eastern Han Dynasty, namely Supplementary Notes on the Art of Figures written by Xu Yue. However, the exact design of this suanpan is not known.Usually, a suanpan is about 20 cm (8 in) tall and it comes in various widths depending on the application. It usually has more than seven rods.".
- Suanpan label "Suanpan".
- Suanpan label "Suanpan".
- Suanpan label "Suanpan".
- Suanpan label "Suanpan".
- Suanpan label "Suanpan".
- Suanpan label "Суаньпань".
- Suanpan sameAs Suanpan.
- Suanpan sameAs Suanpan.
- Suanpan sameAs Suanpan.
- Suanpan sameAs Suanpan.
- Suanpan sameAs m.03t5zb.
- Suanpan sameAs Q2997913.
- Suanpan sameAs Q2997913.
- Suanpan sameAs Suanpan.
- Suanpan wasDerivedFrom Suanpan?oldid=578693786.
- Suanpan depiction Abacus_6.png.
- Suanpan isPrimaryTopicOf Suanpan.
