Halfpenny (British decimal coin) of new pence) alongside the new decimal coinage. The halfpenny coin's obverse featured the profile of Queen Elizabeth II; the reverse featured an image of St Edward's Crown. It was minted in bronze (like the 1p and 2p coins). It was the smallest decimal coin in both size and value. The size was in proportion to the 1p and 2p coins. It soon became Britain's least favourite coin. The Treasury had continued to argue that the halfpenny was important in the fight against inflation (preventing prices from being rounded up). The coin was demonetised and withdrawn from circulation in December
Decimal separator comma respectively, when it is used as a decimal separator; these are the usual terms used in English, with the aforementioned generic terms reserved for abstract usage. In many contexts, when a number is spoken, the function of the separator is assumed by the spoken name of the symbol: comma or point in most cases. In some specialized contexts, the word decimal is instead used for this purpose (such as in ICAO-regulated air traffic control communications). In mathematics the decimal separator is a type of radix point, a term that also applies to number systems with bases other than ten.