How To Use an Abacus for Basic Math Operations

In this video I have explained how to perform basic math operation like addition, subtraction, multiplication and division on abacus. It is considered the first calculating device that was used around 5000 years ago by Chinese and later on different versions of abacus were designed by romans, Russians and Indians.

[sangeetaSahoo-tfuv]

Really u are a amazing teacher thank you sir thanks for help us to understand this topic so easily. U make my study interesting. With out understanding I feel this is so boring thanks again sir Ji.

[MuzammalHussain-vc]

It's to much helpful sir thank you so much ❤❤

[ranatuahaa]

Very helpful vedio and jazak Allah khair sir g

[bubble]

Sir why we use beads from last line( billion) for multiplication and division?

[bluegirlblue]

sir agr division may value zada ho fir kesy krain gy?

[muqaddasbano]

Sir 5000 year ago sir tab toh china nhi tha