رباعیات حکیم عمر خیام جلد چرمی به شش زبان - Rubaiyat-e-Omar Kayyam، in six languages

رباعیات حکیم عمر خیام به شش زبان Roaiyat-e-Kayyam in  English, French, German, Arabic, Armenian and Farsi Language: Persian Book Size ≈ 9 x 7 inchesNumber of pages: 210Cover: PU Leather HardcoverPaper type: GlossyPrinted in: Full-ColorsIllustrations: Yes (Persian Miniatures)Edition:Dust cover: Omar Khayyam (/kaɪˈjɑːm/; Persian: عمر خیّام‎ [ˈoːmɒːɾ xæjˈjɒːm]; 18 May 1048– 4 December 1131) was a Persian mathematician, astronomer, and poet. He was born in Nishapur, in northeastern Iran, and spent most of his life near the court of the Karakhanid and Seljuq rulers in the period which witnessed the First Crusade. As a mathematician, he is most notable for his work on the classification and solution of cubic equations, where he provided geometric solutions by the intersection of conics. Khayyam also contributed to the understanding of the parallel axiom. As an astronomer, he designed the Jalali calendar, a solar calendar with a very precise 33-year intercalation cycle. There is a tradition o