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5 Cards in this Set

  • Front
  • Back
al-Biruni
Fixed the direction of Mecca so that Muslims everywhere could pray facing it.
Omar Khayyam
Developed a very precise calendar based off of earlier ones.
al-Khwarizmi
Borrowed the number 0 and system based on 10 from Indians and thus came to write: 'Hisab al-jabr' = 'the addition of one thing to another'

al-jabr = algebra.
Ibn Sina
Wrote the "Canon of Medicine" that would be used for 600 years to come.
Abbasid hospitals
Were set up all over the empire, had medical students learn on the spot, and offered medical treatment to the poor and those that could not pay.