THE properties of circulating decimal, mentioned by Mr. R. Chartres and by Mr. E. P. Toy in NATURE (vol. xviii. pp. 291, 541) are particular cases of very general laws relating to the periods of ...
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. When you ...
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