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
Exeter pound Interest Company and made a profit by setting an "expiry date" on each note, which was identified in very small print on the note itself, often overlooked at the point of exchange. This meant that many notes although paid for at the equivalent value in sterling could not actually be spent if not used by the specified deadline. Previous to the Exeter Pound, local currencies were launched in the UK in Bristol (2012), Totnes (2006), Lewes (2008), Brixton (2009) and Stroud (2010). Exeter pound The Exeter Pound (£E) was a form of local complementary currency, or community currency launched in