swanpan
/ˈswɑnˌpæn/
noun
- An abacus, especially the Chinese suanpan.
- The merchant used a swanpan to calculate the total cost of the goods.
- In the old market, you could hear the click of swanpan beads all day long.
- She learned to use a swanpan in math class to understand place value.
Synonyms