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 separator In the Middle Ages, before printing, a bar ( ¯ ) over the units digit was used to separate the integral part of a number from its fractional part, e.g. 995 (meaning, 99.95 in decimal point format). This practice derived from the decimal system used in Indian mathematics and was popularized by the Persian mathematician Al-Khwarizmi, when Latin translation of his work on the Indian numerals introduced the decimal positional number system to the Western world. His "Compendious Book on Calculation by Completion and Balancing" presented the first systematic solution of linear and quadratic equations in Arabic. A similar notation