He wrote the Treatise on Demonstration of Problems of Algebra . Omar also found the time to dabble in Geometry and wrote the Commentaries on the difficult postulates of Euclid's book . Now, I won't delve too deeply into all his equations and theories as I just couldn't possibly do them justice. I will just assure you that he is revered in the mathematics world to this day. Now, mathematicians are not the only people that put Omar on a pedestal .
Quatrains are stanzas or verses of four lines .
The Rubaiyat is not a single poem, but a collection of verses. Put together it becomes a complete poem. There is much speculation about how many verses Omar wrote. It is said to be between 200 and 600 . The Rubaiyat was not brought into the limelight until an Irish fellow by the name of Edward Fitzgerald interpreted the verses in 1859.