Translation guide
A slide rule is a mechanical analog calculator used primarily for multiplication, division, and other mathematical functions. In Japanese, it is most commonly referred to as 計算尺 (けいさんじゃく).
The physical analog calculator with sliding scales.
The standard Japanese term for a slide rule. Used in educational, historical, and technical contexts.
In the past, engineers used slide rules.
A loanword from English, sometimes used in modern or casual contexts, but less common than 計算尺.
Do you know what a slide rule is?
I learned how to use a slide rule.