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A number of units were used to measure mass. One oke was equal to 1.248 kg, according to the metric equivalences defined in 1891. [1] [2] Some other units according to the metric equivalences defined in 1891 are given below: [1] [2]
Egyptian units of length are attested from the Early Dynastic Period.Although it dates to the 5th dynasty, the Palermo stone recorded the level of the Nile River during the reign of the Early Dynastic pharaoh Djer, when the height of the Nile was recorded as 6 cubits and 1 palm [1] (about 3.217 m or 10 ft 6.7 in).
The piastre was based on the Turkish kuruş, introduced while Egypt was part of the Ottoman Empire. As in Turkey, debasement lead to the piastre falling significantly in value. In 1834, the pound, or gineih (Arabic), was introduced as the chief unit of currency, worth 100 piastre. The piastre continues in use to the present day as a subdivision ...
In 1885, Egypt went into a purely gold standard, and the Egyptian pound unit, known as the juneih, was introduced at E£1 = 7.4375 grammes of fine gold. This unit was chosen on the basis of the gold content in the British gold sovereign and maintaining the exchange value of 97.5 piastres to the pound sterling, and it replaced the Egyptian ...
This exchange value of 97.5 piastres to the pound sterling continued until the early 1960s when Egypt devalued slightly and switched to a peg to the United States dollar, at a rate of E£1 = US$2.3. The Egyptian pound continued with its exchange rate of £E = £1 0s 6d sterling until the beginning of the 1960s.
The dirham was a unit of mass used across North Africa, the Middle East, Persia and Ifat; later known as Adal, with varying values. The value of Islamic dirham was 14 qirat. 10 dirham equals 7 mithqal (2.975 gm of silver). In the late Ottoman Empire (Ottoman Turkish: درهم), the standard dirham was 3.207 g; [1] 400 dirhem equal one oka.
An early graphing calculator was designed in 1921 by electrical engineer Edith Clarke. [1] [2] [3] The calculator was used to solve problems with electrical power line transmission. [4] Casio produced the first commercially available graphing calculator in 1985. Sharp produced its first graphing calculator in 1986, with Hewlett Packard ...
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