Question

what is a abacus?
tell me please
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Answer 1

Answer:

The abacus, also called a counting frame, is a calculating tool that has been in use since ancient times and is still in use today. It was used in the ancient Near East, Europe, China, and Russia, centuries before the adoption of the written Arabic numeral system. The exact origin of the abacus is unknown.

Hope it helps.

Answer 2

Answer:

Abacus is a instrument that was used in past for counting. It contains beads and rods that is fix in the frame and bead is used for counting.