MATHS IN THE ARAB WORLD. INTRODUCTION. Greeks ?? Europeans Conquests: Damascus, Jerusalem, Mesopotamia, Alexandria. Arab territory: from India to Spain (including North Africa and South Italy) Library of Alexandria House of Wisdom(“Beit al Hinka”).
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Conquests: Damascus, Jerusalem,
Arab territory: from India to
Spain (including North Africa
and South Italy)
Abu Abdallah Muhammad ibn Mūsā al-Jwārizmī
Al-Khorezmi, al-Khwarizmi, Al-Khawarizmi,
Al-Khawaritzmi or al-Khowarizmi
780 DC - Kharizm (south of Aral Sea)
850 DC - Bagdad
820 DC – Caliph Al'Mamun (House of Wisdom)
Travels: Afghanistan, Turkey, Russia...
A page from Algebra
Kitab al-jabr wa'l-muqabala – ‘algebra’
Reduction of the equations to one of six standard forms (b,c >0) :
squares equal roots (ax2 = bx)
squares equal number (ax2 = c)
roots equal number (bx = c)
squares and roots equal number (ax2 + bx = c)
squares and number equal roots (ax2 + c = bx)
roots and number equal squares (bx + c = ax2)
Solve the equation x2+6x=7
The biggest change was the fact that the 2 and the 3 have been rotated through 90º.
If p is prime then 1+(p-1)! is divisible by p.
Al-Battani, Abu’l-Wafa, Ibn Yunus, Nasir al-Tusi