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Abacus is the most ancient tool used for the purpose of calculations It is one of the most important calculating devices invented for the calculation purposes Abacus is a simple device but throughout the timeline it has proved to be an important instrument of economy Abacus Importance If we go deep into the history books we come to know that abaci...
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It is an undisputable fact that the abacus had reduced the work load on calculation and laid the foundation of a calculation machine as such Whether it is the east or west the invention of abacus had a profound effect It had greatly eased the mental mathematics The merchants and tax collectors of yesterday had found this to be a great help...
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2 Articles.  

Abacus Lessons

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