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Abacus is an ancient computing methodology developed in China. It is also called a Counting frame that performs basic mathematical calculations like Addition, Subtraction, Multiplication, Division etc. There are two basic forms of abacus : A specially marked flat surface with counters or a frame with beads on wire.....

The Suanpan is an example of abacus of Chinese origin first described in a 190 CE book of the Eastern Han Dynasty. The exact date of the invention of abacus is not agreed upon by all of the historians but it is said that the first ever abacus came onto scene at about 5000 b.c. Unlike the simple counting board used in elementary schools, Suanpan techniques have been developed to do basic calculations as well as square root and cube root operations both at high speed.

 

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