They didn't need to multiply in their heads to lay out the foundations of geometry and discover irrational numbers. Every generation of math grads from then on begins studies from their achievements.
> We've done more with math in the last 20 years than they did in their entire 600 year history.
What Greeks did with advancing the math profoundly affected technology and sciences. What was done in the last 20 years does not even begin to compare in impact.
> We've done more with math in the last 20 years than they did in their entire 600 year history.
What Greeks did with advancing the math profoundly affected technology and sciences. What was done in the last 20 years does not even begin to compare in impact.