Achievement of the Ancient Greeks
USING GEOMETRIC THEOREMS, the Greek mathematicians were able to construct any desired geometric elements that could be desired geometric that could be derived by a finite number of rational operations and extraction of real square roots from the given elements. To illustrate: Suppose we are given elements a,b and the unit elements. The Greeks could could construct a+b ,a-b.a*b,a/b,a2,and @a…..
Hence @ means root over.
from ''Famous Problems of Geometry and How to Solve Them'' by BENJAMIN BOLD.
