The Faculty of Exact and Natural Sciences (Facultad de Ciencias Exactas y Naturales; FCEN), commonly and informally known as Exactas, is the natural science school of the University of Buenos Aires, the largest university in Argentina.

It occupies several buildings of the Ciudad Universitaria complex in the Núñez neighbourhood of Buenos Aires.

This Master´s degree Programme consists of three stages: 1) the Common Basic Cycle (CBC), as required for all careers at the University of Buenos Aires,[3] 2) the Basic Professional Cycle of Biological Sciences (CPB) and 3) the Superior Professional Cycle (CPS).

The CPB, which comprises 13 subjects, concentrates all the scientist's basic training.

[4] The subjects of the complete Study plan and the corresponding requirement of study hours can be found here "Plan de Estudio":[5] The School also offers Masters of Science and Ph.D. degrees.