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  2. Nigerian naira - Wikipedia

    en.wikipedia.org/wiki/Nigerian_naira

    The naira was scheduled for redenomination in August 2008, although this was cancelled by then-President Umaru Musa Yar'Adua, [46] with 100 old naira to become 1 new naira. The Nigerian Central Bank stated that it would make the naira fully convertible against foreign currencies by 2009. Currently, the amount of foreign currency is regulated ...

  3. List of currencies in Africa - Wikipedia

    en.wikipedia.org/wiki/List_of_currencies_in_Africa

    These included shells, [1] ingots, gold (gold dust and gold coins (the Asante)), arrowheads, iron, salt, cattle, goats, blankets, axes, beads, and many others. In the early 19th century a slave could be bought in West Africa with manilla currency ; multiples of X-shaped rings of bronze or other metal that could be strung on a staff.

  4. Geographic coordinate conversion - Wikipedia

    en.wikipedia.org/wiki/Geographic_coordinate...

    Coordinate conversion is composed of a number of different types of conversion: format change of geographic coordinates, conversion of coordinate systems, or transformation to different geodetic datums. Geographic coordinate conversion has applications in cartography, surveying, navigation and geographic information systems.

  5. Ghanaian cedi - Wikipedia

    en.wikipedia.org/wiki/Ghanaian_cedi

    The first cedi was replaced in 1967 by a "new cedi" which was worth 1.2 first cedis. This allowed a decimal conversion with the pound, namely 2 second cedis = 1 pound. The change also provided an opportunity to remove Kwame Nkrumah's image from coins and notes. The second cedi was initially pegged to sterling at a rate of ₵2 = £1.

  6. South African rand - Wikipedia

    en.wikipedia.org/wiki/South_African_rand

    The 1 ⁄ 2 cent coin was last struck for circulation in 1973. The 1 rand coin for circulation was introduced in 1967, followed by 2 rand coins in 1989 and 5 rand coins in 1994. Production of the 1 and 2-cent coins was discontinued in 2002, followed by 5-cent coins in 2012, primarily due to inflation having devalued them, but they remain legal ...

  7. CAD data exchange - Wikipedia

    en.wikipedia.org/wiki/CAD_data_exchange

    CAD data exchange is a method of drawing data exchange used to translate between different computer-aided design authoring systems or between CAD and other downstream CAx systems. [1]: 157 Many companies use different CAD systems and exchange CAD data file format with suppliers, customers, and subcontractors. [2]

  8. Kenyan shilling - Wikipedia

    en.wikipedia.org/wiki/Kenyan_shilling

    Sellers and consumers alike, especially within the rural areas, have increasingly rejected the 50 cents and 1 shilling coins, despite assurances from the Central Bank of Kenya regarding their continued validity. The reluctance to accept these coins has stemmed from perceptions among both sellers and consumers that they lack substantial value.

  9. AutoCAD DXF - Wikipedia

    en.wikipedia.org/wiki/AutoCAD_DXF

    AutoCAD DXF (Drawing Interchange Format, or Drawing Exchange Format) is a computer-aided design (CAD) data file format developed by Autodesk [2] to enable CAD data exchange and interoperability between AutoCAD on different computing platforms.