Coins of the Indian rupee unchanged in value and nomenclature. It, however, was now divided into 100 'paisa' instead of 16 annas or 64 pice. Effective from 30 June 2011, all coins in denominations of 25 paisa and below were officially demonetized. The antiquated spelling of "pice" was modified to "paisa" in the singular and "paise" in the plural. For public recognition, the new decimal paisa was termed 'Naya Paisa' (New Paisa) till 1 June 1964 when the term 'Naya' was dropped. The coins of 50p, 25p, 10p, 5p, 2p, and 1p had a legend in Devanagari script explaining the value of coin in terms
Decimal decimal fractions were non-positional. However, counting rod fractions were positional. Qin Jiushao in his book Mathematical Treatise in Nine Sections (1247) denoted 0.96644 by J. Lennart Berggren notes that positional decimal fractions appear for the first time in a book by the Arab mathematician Abu'l-Hasan al-Uqlidisi written in the 10th century. The Jewish mathematician Immanuel Bonfils used decimal fractions around 1350, anticipating Simon Stevin, but did not develop any notation to represent them. The Persian mathematician Jamshīd al-Kāshī claimed to have discovered decimal fractions himself in the 15th century. Al Khwarizmi introduced fraction to Islamic countries in the early 9th