Kasir,TheAlgebra of Omar Khayyam(NewYork: BureauofPublicationsTeachersCollege, 1931), 3–6; MuhammadIbnMusa al-Khwarizmi,TheAlgebraofMohammedBenMusa,trans. and ed.Frederic Rosen, (London: OrientalTranslationFund, 1831);‘Umar b.Ibrahim al-Khayyami,Risāla fīsharḥmāashkala min muṣādarāt...