History of algebra formula_8 Iamblichus goes on to describe how some systems of linear equations that are not in this form can be placed into this form. Euclid (Greek: ) was a Greek mathematician who flourished in Alexandria, Egypt, almost certainly during the reign of Ptolemy I (323–283 BCE). Neither the year nor place of his birth have been established, nor the circumstances of his death. Euclid is regarded as the "father of geometry". His "Elements" is the most successful textbook in the history of mathematics. Although he is one of the most famous mathematicians in history there are no new discoveries attributed
Ptolemy of Mauretania from those during the time Ptolemy co-ruled with JubaII. His royal title on coinage is in Latin " ‘King Ptolemy’" and there is no surviving coinage that shows his royal title in Greek. On his coinage there is no Ancient Egyptian imagery. The coinage from his sole reign displays a variety of themes. Ptolemy personified himself as an elephant on coins. Elephant personification is an ancient coinage tradition in which his late parents did when they ruled Mauretania. The elephant has symbolic functions: an icon representing Africa and an iconic monetary characteristic from the Hellenistic period which displays influence and