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 The Federation of Rhodesia and Nyasaland halfpenny and penny were withdrawn from circulation and replaced with the cent coin, 1 cent coin (click for image) (their values were not exactly equal) and a cent (3d) "tickey".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 separator In the Middle Ages, before printing, a bar ( ¯ ) over the units digit was used to separate the integral part of a number from its fractional part, e.g. 995 (meaning, 99.95 in decimal point format). This practice derived from the decimal system used in Indian mathematics and was popularized by the Persian mathematician Al-Khwarizmi, when Latin translation of his work on the Indian numerals introduced the decimal positional number system to the Western world. His "Compendious Book on Calculation by Completion and Balancing" presented the first systematic solution of linear and quadratic equations in Arabic. A similar notation