Coins of the Rhodesian dollar Coins of the Rhodesian dollar The coins of the Rhodesian dollar were part of the physical form of Rhodesia's historical currency, the Rhodesian dollar. (click for obverse image) (click for reverse image) In late 1969 Rhodesian voters agreed to adopt a new constitution which would establish a republic. On February 17, 1970, Rhodesia changed over to decimal currency. The Federation of Rhodesia and Nyasaland halfpenny and penny were withdrawn from circulation and replaced with the cent coin, 1 cent coin (click for image) (their values were not exactly equal) and a cent (3d) "tickey". The new coins depicted the Rhodesian
Decimal fractions. The Egyptian hieratic numerals, the Greek alphabet numerals, the Hebrew alphabet numerals, the Roman numerals, the Chinese numerals and early Indian Brahmi numerals are all non-positional decimal systems, and required large numbers of symbols. For instance, Egyptian numerals used different symbols for 10, 20, to 90, 100, 200, to 900, 1000, 2000, 3000, 4000, to 10,000. The world's earliest positional decimal system was the Chinese rod calculus. Decimal fractions were first developed and used by the Chinese in the end of 4th century BC, and then spread to the Middle East and from there to Europe. The written Chinese