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भारतीय अबेकस के बीच तुलना
और पुराना अबेकस
Fixing the image
العداد القديم
The beads fall down and the values change while viewing the Abacus with value in a vertical position.
العداد الهندي
The sliders stay put in the positions when the Indian Abacus is vertically viewed while working and values don’t get distorted.
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