算盘用英语怎么说？算盘是由Chinese---Confucius.It发明有着悠久的history.Now，让我告诉你的算盘是怎么发明的。孔子是LU.One一天的公民，国王想他采取的财政护理Lu.Confucius不擅长这个point.For为此错误发生repeatedly.Afterwards，他的妻子给了他一个通过制作一个cord.That节是当钱进来，你打结说要解决这个问题，当钱出去，那么，算盘用英语怎么说？一起来了解一下吧。
算盘是由Chinese----Confucius.It发明有着悠久的history.Now，让我告诉你的算盘是怎么发明的。
孔子是LU.One一天的公民，国王想他采取的财政护理Lu.Confucius不擅长这个point.For为此错误发生repeatedly.Afterwards，他的妻子给了他一个通过制作一个cord.That节是当钱进来，你打结说要解决这个问题，当钱出去，你撤消，孔子将它开发成球与周围的框架和古老的算盘磁极knot.After应运而生的那一刻。
从那时起，全世界使用它calculation.And是开始被许多人甚至now.There也有些人谁收集旧算盘，因为算盘有着悠久的历史，是世界上非常有名。
呵呵 亲爱的 这不是 第九单元 的 那个 短文 么自己 不会 写 么其实 很简单的是不是 上课 不认真 听捏呵呵
算盘 [suàn pán] abacus
abaci
counting frame
counting-frame
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The Chinese abacus known as the suànpán is typically 20 cm tall and it comes in various widths depending on the operator. It usually has more than seven rods. There are two beads on each rod in the upper deck and five beads each in the bottom for both decimal and hexadecimal computation. Modern abacuses have one bead on the top deck and four beads on the bottom deck. The beads are usually rounded and made of a hardwood. The beads are counted by moving them up or down towards the beam. If you move them toward the beam, you count their value. If you move away, you don't count their value.[citation needed] The suanpan can be reset to the starting position instantly by a quick jerk along 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.
In the famous long scroll Along the River During the Qingming Festival painted by Zhang Zeduan (1085–1145 AD) during the Song Dynasty (960–1297 AD), a suanpan is clearly seen lying beside an account book and doctor's prescriptions on the counter of an apothecary's (Feibao).
The similarity of the Roman abacus to the Chinese one suggests that one could have inspired the other, as there is some evidence of a trade relationship between the Roman Empire and China. However, no direct connection can be demonstrated, and the similarity of the abaci may be coincidental, both ultimately arising from counting with five fingers per hand. Where the Roman model (like most modern Japanese) has 4 plus 1 bead per decimal place, the standard suanpan has 5 plus 2, allowing use with a hexadecimal numeral system. Instead of running on wires as in the Chinese and Japanese models, the beads of Roman model run in grooves, presumably making arithmetic calculations much slower.
Another possible source of the suanpan is Chinese counting rods, which operated with a decimal system but lacked the concept of zero as a place holder. The zero was probably introduced to the Chinese in the Tang Dynasty (618-907 AD) when travel in the Indian Ocean and the Middle East would have provided direct contact with India, allowing them to acquire the concept of zero and the decimal point from Indian merchants and mathematicians.
以上就是算盘用英语怎么说的全部内容，伽利略）发明的。3. The bicycle was invented in France in the 1860s. 自行车是19世纪60年代法国人发明的。4. The umbrella was invented 4000 years ago in China. 雨伞是四千年前中国人发明的。5. The abacus was invented in China in the Ming Dynasty. 算盘是中国人在明朝发明的。
