expression, godan verb (-ku)
use a calculator; punch numbers into a calculator
Literal meaning: physically tapping the keys of a calculator. Often used when doing arithmetic or checking figures.
経費を計算するために電卓を叩いた。
I used a calculator to work out the expenses.
expression, godan verb (-ku)
calculate cost-benefit; weigh the pros and cons; run the numbers
Figurative extension: carefully evaluating whether something is profitable or worthwhile, as if punching numbers into a calculator. Often used in business or personal decision-making contexts.
See also: 算盤を弾く
新しい事業を始める前に、しっかり電卓を叩いてみた。
Before starting the new business, I carefully ran the numbers.