1999 UNAM strike cents in the 1993 currency revaluation); the amount is specified in the University bylaws, and changing it requires action by the University Council (a legislative body that comprises representatives of the faculty and students, and all directors of schools, faculties, and institutes). By 1999, inflation and the exchange rate meant that tuition amounted to about 0.02 US dollars. The quality of education of the UNAM, alma mater of several Latin American presidents had decayed since its glory days. At the time, UNAM had a budget of about one thousand million dollars, of which 90% was provided by the federal government.
School of Sciences, UNAM four other buildings lodging the Faculty's respective departments and their faculty. The newer part of the complex consists of two buildings, one called "Amoxcalli", which holds the Faculty's library and the Computing Center. The newest one is called "Tlahuizcalpan" which hosts various labs and research premises, as well as classrooms. In recent years, an interdisciplinary extension of the Faculty was inaugurated in the port of Sisal, Yucatán, devoted to the research of coastal ecosystems and their species. The National Herbarium of Mexico at UNAM in Mexico City houses the largest collection of plant specimens in all of Latin America and