shwanpan
/ˈʃwɑːnpæn/
noun
- A Chinese abacus, a counting frame with beads used for arithmetic calculations.
- The merchant used a shwanpan to add up the day's sales quickly.
- In some Asian schools, children still practice with a shwanpan for speed calculations.
- Learning to use a shwanpan can improve mental math skills.
Synonyms