also: たまざん
abacus calculation; arithmetic with an abacus
Refers to the skill or act of performing arithmetic using a soroban (Japanese abacus). Often associated with mental calculation training.
She is good at abacus calculation and also quick at mental arithmetic.
I learned abacus calculation in elementary school.
I learned abacus calculation when I was a child.
My daughter attends abacus lessons twice a week.
I practiced every day and improved my abacus skills.
Rare variant using 玉 instead of 珠; reading たまざん is less common than しゅざん.