Guest question by sidsen.

What is this called? Gets it name from the greek mathematician who first thought of this and the manner in which it functions.

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(Posting this a bit early, so yesterday’s question will be open till Oct 11th noon IST)

Cracked by amith , Anon, priyananda , Phani , Atul Mathew , Dibyo , shenoyvarun86 , duriel , aditya_s , Ajay Parasuram , Goyal , Apurva , nihit , vishal , BiGFooT , Archana , malcaluffin , mach101 and Ananth.

amith, Anonymous, priyananda, Phani, Atul Mathew, Dibyo, shenoyvarun86, duriel, aditya_s, Ajay Parasuram, Goyal, Apurva, nihit, vishal, BiGFooT, Archana, malcaluffin, mach101, Ananth and sidsen