African calendars include the Akan calendar, Egyptian calendar, Berber calendar, Ethiopian calendar, Igbo calendar, Yoruba calendar, Shona calendar, Swahili calendar, Xhosa calendar, Borana calendar, and Luba calendar.
A stone circle located in the Nabta Playa basin may be one of the world's oldest known archeoastronomical devices.
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The oldest degree-granting university in Egypt after the Cairo University, its establishment date may be considered 1961 when non-religious subjects were added to its curriculum.
Three philosophical schools in Mali existed during the country's "golden age" from the 12th to the 16th centuries: University of Sankore, Sidi Yahya University, and Djinguereber University.
Because their methods of calculation could not handle most fractions with a numerator greater than one, ancient Egyptian fractions had to be written as the sum of several fractions.
For example, the fraction two-fifths was resolved into the sum of one-third one-fifteenth; this was facilitated by standard tables of values.
It hosts the Southern African Large Telescope, the largest optical telescope in the southern hemisphere.