World's oldest known decimal point discovered in merchant's notes from 1440s Italy.
在 15 世纪 40 年代意大利商人的纸币中发现了世界上已知最古老的小数点。
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Decimal points are at least 150 years older than historians thought, according to newly unearthed notes from Venetian merchant Giovanni Bianchini, who practiced astrology in the 1440s.
根据新近出土的威尼斯商人乔瓦尼-比安奇尼（Giovanni Bianchini）的笔记，小数点至少比历史学家想象的要早 150 年。他在 15 世纪 40 年代从事占星术。
参考网站
https://www.livescience.com/physics-mathematics/mathematics/worlds-oldest-known-decimal-point-discovered-in-merchants-notes-from-1440s-italy
在 15 世纪 40 年代意大利商人的纸币中发现了世界上已知最古老的小数点。
Decimal points are at least 150 years older than historians thought, according to newly unearthed notes from Venetian merchant Giovanni Bianchini, who practiced astrology in the 1440s.
根据新近出土的威尼斯商人乔瓦尼-比安奇尼（Giovanni Bianchini）的笔记，小数点至少比历史学家想象的要早 150 年。他在 15 世纪 40 年代从事占星术。
参考网站
https://www.livescience.com/physics-mathematics/mathematics/worlds-oldest-known-decimal-point-discovered-in-merchants-notes-from-1440s-italy