Muhammad ibn Musa al-Khwarizmi

Muhammad ibn Musa al-Khwarizmi (c. 780-850) was a Persian scholar whose work in Baghdad’s House of Wisdom revolutionized mathematics. He is best known for *Al-Kitab al-mukhtasar fi hisab al-jabr wa-l-muqabala*, which provided the systematic methods of completing and balancing that gave the world 'algebra.' Unlike those before him, al-Khwarizmi classified equations into types and provided clear, step-by-step algorithms for their solution. His work on Hindu-Arabic numerals introduced the positional decimal system and the concept of zero to the Islamic world and eventually Europe. The Latin translation of his name gave us the word 'algorithm.' Beyond mathematics, he produced influential astronomical tables and corrected Ptolemy’s geographic coordinates. By transforming scattered techniques into teachable, repeatable procedures, al-Khwarizmi established the mathematical foundations that underpin modern science and technology.

Al-Khwarizmi is best known as a scholar. Persian mathematician, astronomer, and geographer who systematized algebra and helped transmit Hindu–Arabic numerals and algorithmic methods across the Islamic world and into Europe.

Al-Khwarizmi lived c. 780-850 CE, born in 780 and died in 850, during the medieval period.

Yes, free. Anyone can ask Al-Khwarizmi, and a first question needs no account. Every answer is a Simulation in character, grounded in Al-Khwarizmi’s real life, work and era. A good first question is: "How does your method of al-jabr and al-muqabala work on a problem like dividing an inheritance among heirs?"