The calculation tool called Zhusuan had a very old history in itself until now. From around BC 3,000 – BC 2,000 in Mesopotamia Area (now Iraq), it was said that lines were marked on sand and little rocks were used for calculation tool that is known as the ‘line Zhusuan was made in ancient Greek, and

the Romans also made ‘Groove Zhusuan’ which they used for calculation. It is said that these tools were introduced at China but there are many different theories on how calculation tools spread through the world.
     From around BC 770- BC 476, China used ‘Suanchou’ for calculation. And, the oldest record of calculation instrument similar to the Zhusuan can be seen in the document dated AD 200. Principles of Algorithm, is the first bead-calculation book in China, written by Wang Wensu, an expert in bead calculation of the Ming Dynasty. According to the document, the first Zhusuan introduced to Japan from china was in 16th century. While studying the tool for 400 years, Japan has improved and revolutionized the Soroban (Abacus) to what we use today.
     Zhusuan is practical, useful in solving mathematical problems and especially is very handy in teaching the concept of number to children in lower grades.

•  The Importance of Zhusuan Education

     The Children in the world seem to have a tendency of disliking calculation. But the basics of life are made from calculation. Children who dislike calculation may not necessary become the failure of life, but they do tend to have difficulties in life and might result to delay in the development of the brain functions relative to calculation. It may fairly be said that an improvement of calculation skills ‘Zhusuan etc….’ are the basic of human education.

A) The Improvement of the Mathematics Sense

     By teaching Zhusuan to children, especially at the age of 4-9, they will improve their use of the four arithmetic rules by twice in speed once they obtain this ability. The most remarkable quality of having Zhusuan education is that one can calculate simple numbers by ‘Mental Arithmetic ‘calculating without using any tools’. Currently in China, Korea, Taiwan, Malaysia and Japan have people who can calculate up to 10 digits all in their head.

     At present, we are living in the so called ‘computer era'. Of course, computers are faster than Zhusuan if it is complex calculating numbers, that is, only if the computers are programmed properly. But the fact is that people are the one that operate computers. In Japan , there had been results that people without mathematics sense are more likely to make input mistakes. People who operate computers need the ability to catch numbers and words accurately and with speed. The best way to improve that ability would come from Zhusuan Education.

B) The Education Value of Zhusuan Education

     At this moment, the Zhusuan bailey tests are divided into 20 different ranks. The one with the ability higher than 15th rank ‘counting from the bottom have constantly maintained grades in the upper most class in Japanese high schools. These results are due to the fact that Zhusuan Education has deeply effected the activation and development of the human brain.

     Still it is unclear to whether the human brain had developed only after the Zhusuan Education or a hereditary ‘good brain’ has improved due to Zhusuan Education. Schools presently involved in psychology, cerebral studies, and education Zhusuan studies have been doing researches related to this topic. Occasionally, reports have made from these researches at an academy, and in the future new answer to the question should come about.

C) Effects of the zhusuan Educationon the Human Brain

     The cerebral studies have made remarkable progress in the recent years. Professor Toshiro Hayashi of Kyoto University, who is a representative scholar in this study, has reported the following issue titled ‘The Human Brain and the Zhusuan’
     The nerve tissue of the sense nerve, which controls the movement of the fingers, has been found to be very abundant, which means the movements of fingers when using Zhusuan requires many nerve tissues to move simultaneously. Further more, these movements especially the thumb and the index finger required greater skills compared to playing a piano.
     With regard to the above, it can be said that Zhusuan education is a necessary step in the basic human education. Its educational value to the children is vital to the human brain formation.

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