Decimal Day three of the six new coins. Small booklets were made available containing some or all of the new denominations. The old halfpenny was withdrawn from circulation on 31 July 1969, and the half-crown (2s 6d) followed on 31 December to ease the transition. (The farthing had last been minted in 1956 and had ceased to be legal tender in 1960.) There was a substantial publicity campaign in the weeks before Decimalisation Day, including a song by Max Bygraves called "Decimalisation". The BBC broadcast a series of five-minute programmes, "Decimal Five", to which The Scaffold contributed some specially written tunes. ITV
Non-decimal currency Non-decimal currency A non-decimal currency is a currency that has sub-units that are a non-decimal fraction of the main unit, i.e. the number of sub-units in a main unit is not a power of 10. Today only two countries in the world use non-decimal currencies. Both of these countries are in Africa. These are Mauritania (1 ouguiya = 5 khoums) and Madagascar (1 ariary = 5 iraimbilanja). However these are only theoretically non-decimal, as in both cases the value of the main unit is so low that the sub-unit is too small to be of any practical use and coins