Archimedes' Introduction to his Proof of Calculus

Revealed on a bronze plaque in Archimedes' Tomb. Written in Greek.

   Nature speaks in equations: x {operator} y = z.  So, reduced, are all formulae from 
   Stratonike's riddle to the area of a sphere, and so...[there follows a brief outline of 
   the calculus, which is difficult to follow]