INR(redirected from Interference-to-Noise Ratio)
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The ISO 4217 currency code for the Indian Rupee.
ISO 4217 code for the Indian rupee. Prior to the independence of India, there were various Indian rupees and other currencies in circulation, many issued by different colonial powers. The modern rupee is descended from the rupee issued by the British. It was pegged to gold for much of its history, finally floating after the end of the Bretton Woods System in 1971.