Guide to Operations on Irrational Radicals for Neophytes
This mathematical treatise by Muḥammad b. Abi al-Fatḥ Muḥammad b. al-Sharafī Abi al-Rūḥ ‘Īsā b. Aḥmad al-Ṣūfī al-Shāfi‘ī al-Muqrī, was written in 1491-92 (897 AH). It begins with a "General Introduction," followed by two main parts, with a concluding section on the study of cubes and cube roots. Part I, "Operations on Simple Irrational Radicals," is divided into four chapters. Chapter 1 covers simplification of radicals. Chapters 2, 3, and 4 deal respectively with the multiplication, addition and subtraction, and division of radicals. Part II, on "Operations with Compound ...