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
Local currency more widely criticized as having limited success in stimulating spending in local economies, and as an unrealistic strategy to reduce carbon emissions. Modern local currencies can be classified into the following distinct types: 1. Transition currency based on the local currencies used by the Transition Towns movement in the UK. They include Brixton Pound and Bristol Pound in the UK, BerkShares in the USA, and Salt Spring Dollars in Canada. Transition currencies are payment voucher-based systems that are exchangeable with the national currency. Between 2002-2014 many experiments in local currency took this form. Such currencies aim to raise the resilience