在计算工具的发明使用方面,我们祖先远远领跑世界。今天我们就一起盘点世界各国的算盘吧。中国的算筹(图1)在世界可是最有名气。早在商周时代,算筹就已问世。那时的算筹实际上是一种竹制、木制或骨制的小棍,以后逐渐发展成为专门的计算工具,古人在地面或盘子里反复摆弄这些小棍,通过移动小棍来进行计算,记数,列式。从此出现了“运筹”这个词,中国古代科学家祖冲之最先算出了圆周率小数点后的第6位, In terms of the invention of computing tools, our ancestors are far ahead of the world. Today we will count the world abacus bar together. China’s plan (Figure 1) is the most famous in the world. As early as the Shang and Zhou dynasties, the calculation has come out. At that time, the calculation was actually a bamboo, wooden or bone stick, and later gradually developed into a special computing tool, the ancients in the ground or plate repeatedly playing with these sticks, by moving the stick to calculate , Count, column type. From then on there appeared the word “筹 筹 ”. The ancient Chinese scientist Zu Chong first calculated the sixth place after the decimal point of the pi,