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About abacus

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About abacus Empty About abacus

Post by maskey on Thu Sep 06, 2012 9:53 am

Abacus is an earliest counting device which help to do work fast easy and Divide,Calculation,Aditional and logically unit at
very fast.It is still used in China,Japan and Russia.We used Calculator for also Additional,Subtraction,Divide e.t.c.

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About abacus Empty Re: About abacus

Post by shrmanoj on Thu Sep 06, 2012 3:36 pm

Don't be careless. Please Follow the rules.
Be careful and be serious at your job.
There will be no excuse next time.
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