Learn Abacus

Donít you feel so comfortable to work on numerous numbers with the help of a calculator? So before the invention of a calculator it would have been really difficult to do sums for archeology, experiments or for mere business purposes. In the earlier days a manís hands and the pebbles used to be the counting device and there were no numerals. It was in this context that the abacus and the counting tables were born. The abacus is the olden form of our calculator, its origins dates back to 2400 BC when the Babylonians used pebbles and dust abacus for their calculations.
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Don’ t you feel so comfortable to work on numerous numbers with the help of a calculator So before the invention of a calculator it would have been really difficult to do sums for archeology experiments or for mere business purposes In the earlier days a man’ s hands and the pebbles used to be the counting device and there were no numerals...
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The construction of roman abacus has seven longer and shorter grooves for whole number counting the former having four beads while the latter has only one The rightmost two grooves are used for fractional counting The abacus was made of a metal sheet and the size was small enough to fit into a shirt pocket almost like our modern day calculator...
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The Chinese abacus was known as the suan pan It was invented in the 11th century The mandarin term suan pan means the calculating plate In the later part of the century this was spread to Korea and Japan The Japanese termed this abacus as soroban The soroban is similar to suan pan and only differed slightly in the construction but the counting...
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Abacus is a simple device that is used for calculating simple arithmetical questions It is a device that is used for centuries by the human beings and has been in use by the human beings for about 4500 years The simplicity of the tool has enabled many civilizations to construct similar devices with some difference in their designs but with the same...
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Development of Chinese Abacus The Chinese abacus was coined as the greatest invention ever made in ancient China The Chinese abacus is properly termed as suanpan Its development can be traced from the Modern Times starting from circa 1200 A D in China Chinese counting rods are considered to be one of the possible sources of the Chinese abacus...
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World’ s Smallest Abacus Ever since the invention of abacus in the ancient civilizations the abacus has undergone a number of changes It has changed in it shape functions complexity and the materials used to make it Who would ever think that one day the world’ s smallest abacus could be invented It was on November 13 1996 some group...
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Abacus is one of those devices that are constantly taught to the children for centuries and it seems that its importance may never end in this ever changing world Abacus has got the place of great importance in the history of mathematics One can easily say that the history of mathematics starts with the invention of abacus Abacus solves the basic...
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It was during the Ancient Times from the period of c 300 B C to c 500 A D that the Roman Abacus was invented It was properly termed as Roman hand abacus Development of Roman Abacus There was no recorded discovery of the existence of the Roman hand abacus or even a specimen that would prove that indeed there was such as Roman hand abacus However...
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Development of Japanese Abacus It was on the mid fifteen century that suanpan and the methods of using it first made its appearance to Japan Suanpan was exported from China to Japan through passing the Korean Peninsula The suanpan was modified The large sized Chinese abacus was changed to a smaller sized abacus Japanese abacus is properly termed...
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