Other contributors have said "What are Rene Descarte's most significant contributions?" is the same question as "What are René Descartes' most significant contributions?" If you believe that these are not asking the same thing and should be answered differently, click here
What are René Descartes' most significant contributions?
He invented analytical geometry to synthesize algebra and geometry.Some consider his skepticism about previously accepted ideas his greatest contribution. Rational thought to understand the universe,...
It was the enforcement of the feudal system because it led to a way of government based on obligations between the lord or king and vassal. By the twlefth century this system was found throughout...
I forget what its name is, but it is a theorem that states that in a polynomial function in the standard form there are possible, at most, as many positive solutions as there are changes in sign for...