ABACUS
The first calculating device called ABACUS was developed by the Egyptian & Chinese people.
The word ABACUS means calculating board. It consisted of sticks in horizontal positions on which were inserted sets of pebbles. It has a number of horizontal bars each having ten beads. Horizontal bars represent units, tens, hundreds, etc.,
The word ABACUS means calculating board. It consisted of sticks in horizontal positions on which were inserted sets of pebbles. It has a number of horizontal bars each having ten beads. Horizontal bars represent units, tens, hundreds, etc.,
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Tags: ABACUS,calculating,Device
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