ahmed.b profile image 80

Can today we learn Abacus - the old calculator used by ancient China?


And if yes was are some good resources. Is learning Abacus easy or tough. And about how much time one would take to learn it.

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wychic profile image79

Rebecca Mikulin (wychic) says

4 years ago
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Danddman profile image60

Danddman says

4 years ago
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working