How old is the decimal? It's a question you've probably never pondered but one that has fascinated certain historians. Fascinated isn't overstating it. When Glen Van.
Use of decimal point 150 years older than historians thought ynetnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from ynetnews.com Daily Mail and Mail on Sunday newspapers.
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.