Illustration: At a family-run Japanese greengrocer, a child helping at the counter examines a customer's payment and several groups of coins representing the purchase total.

JLPT N1nounLevel estimated by Bebop

暗あん算ざん

anzan

mental arithmetic

Example sentences

トムは暗算あんざんが得意とくいだよ。
Tom is good at mental math.
Tatoeba · CC BY 2.0 FR · Source
暗算あんざんが出来できるほど彼かれは賢かしこくはない。
He’s not smart enough to do math in his head.
Tatoeba · CC BY 2.0 FR · Source
いや算盤そろばんやってるから暗算あんざん得意とくいなのかと思おもって。
No, I just thought that since you can use an abacus, you might be good at doing calculations in your head.
Tatoeba · CC BY 2.0 FR · Source

Kanji in 暗算

暗darkness; disappearOnアンKunくらい・くらむ・くれる
算calculate; diviningOnサンKunそろ

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