Title page of Muḥammad ibn Mūsā al-Khwārizmī's The Compendious Book on Calculation by Completion and Balancing (الْكِتَابْ الْمُخْتَصَرْ فِيْ حِسَابْ الْجَبْرْ وَالْمُقَابَلَة, Al-kitāb al-mukhtaṣar fī ḥisāb al-ğabr wa’l-muqābala), a treatise on algebra. (Source: Wikimedia Commons, public domain). Opening pages in English.