Jabr
Jabr, from the Arabic al-jabr meaning "reunion of broken parts," is a term with roots in the mathematical writings of the Islamic Golden Age. It denotes the method of solving equations by restoration, balancing, and reduction. The concept gained prominence through the 9th–10th century mathematician al-Khwarizmi, who authored Kitab al-Mukhtasar fi Hisab al-Jabr wal-Muqabala (The Compendious Book on Calculation by Completion and Balancing). In this work, systematic procedures for solving linear and quadratic equations were described, including organizing terms, combining like quantities, and, when necessary, completing the square.
The influence of al-Jabr spread to medieval Europe via Latin translations of al-Khwarizmi’s text, where the
Today, algebra is a major branch of mathematics concerned with symbols and the rules for manipulating them