At Baghdad Mohammed ibn Musa al-Khowarizmi / Khawarizmi (c.825 A.D.), Abu Kamil (c.900 A.D.) and al-Karkhi (c.1100 A.D.) developed algebra further.
Huko Baghdadi Muhammad ibn Musa al-Khowarizmi/Khawarizmi (mwaka wa 825 BK), Abu Kamil (mwaka wa 900 BK) na al-Karkhi (mwaka wa1100 BK) waliziendeleza hesabu za aljebra zaidi.