Last Updated：2025/11/23
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Before calculators, shopkeepers relied on a ready reckoner to quickly determine prices and taxes for bulk purchases.
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Before calculators, shopkeepers relied on a ready reckoner to quickly determine prices and taxes for bulk purchases.
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Related words
ready reckoner
Noun
historical
Japanese Meaning
（歴史的な意味で）あらかじめ計算された数値（例えば所定の数の倍数など）が記載された印刷物または表。 / （現代的な意味で）数値を計算するプログラム、またはオンライン上の計算ツール。
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