conics in mathematical textbooks of contemporary educational system of iran

conics or the science of conic sections is one of the highest theoretical topics of geometry in classical antiquity and the middle ages. it was also studied for its practical applications. in this paper, we first present a short history of conics in antiquity and the islamic civilization, then we show how this discipline was introduced in persian textbooks in the qajar period and a little after, and how, through this transmission, its vocabulary underwent a change.