WORLD HISTORY

Detailed explanation-1: -Muslim mathematicians invented the present arithmetical decimal system and the fundamental operations connected with it – addition, subtraction, multiplication, division, raising to a power, and extracting the square root and the cubic root.

Detailed explanation-2: -Perhaps the most famous mathematician was Muhammad ibn Musa al-Khwarizmi (ca. 800-ca. 847), author of several treatises of earth-shattering importance.

Detailed explanation-3: -The word algebra is derived from the Arabic al‐jabr, a term used by its founder, Muḥammad ibn Mūsā al‐Khwārizmī, in the title of his book written in the ninth century, al‐Jabr wa˒l‐muqābalah (The Science of Equations and Balancing).