abacus

a tool used by the Chinese in the early times. An abacus can be used to do arithmetic by hand.

"Quinn used an abacus to count to 100."

14👍 7👎

abacus

a tool used by the Chinese in the early times. An abacus can be used to do arithmetic by hand.

"Quinn used an abacus to count to 100."

5👍 11👎