Last Updated
：2025/12/08
math grenade
Noun
historical
slang
Japanese Meaning
（歴史的なスラング）1930年代に発明された円筒形の携帯型機械式計算機「キュルタ」を指す
（ plural ）
Quizzes for review
(historical, slang) The Curta, a cylindrical hand-held mechanical calculator invented in the 1930s.
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math grenade
During the mountain survey, he relied on his old math grenade to perform precise calculations.
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During the mountain survey, he relied on his old math grenade to perform precise calculations.
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