Writes his algebra in Baghdad
· Baghdad, Abbasid Caliphate
Wikimedia Commons · Public domain (Creative Commons Public Domain Mark 1.0) · file Around 825, al-Khwarizmi composed his foundational work on al-jabr and al-muqabala in Baghdad. The treatise systematized methods for solving linear and quadratic equations and became the work from whose title the word “algebra” derives. The date is approximate, and the source identifies Baghdad rather than a specific writing site.
