Determination of the day of the week in the year row (07) is located in column G. The letter in the century row (13) and column G is E, so the day of the week is Friday. January 1 corresponds to G, G in the year row (00) corresponds to F in the century row (20), and F corresponds to Saturday. A pithy formula for the method: ""Date letter (G), letter (G) is in year row (00) for the letter (F) in century row (20), and for the day, the letter (F) become weekday (Saturday)"". Use 17 (in the Gregorian century row, column C) and 83 (in
Sabato triangle Sabato triangle The Sábato triangle () is a model concerned with linkages between science, industry and government, which has informed discussions of science policy throughout Latin America. It was developed during the 1960s and 1970s by the Argentine physicist and metallurgist Jorge Alberto Sábato, of the National Atomic Energy Commission (CNEA, the Argentine government agency overseeing development of nuclear power in the country). The idea of the triangle was proposed by John Kenneth Galbraith and developed by Sábato as a model of policy-making in science and technology. The model is based on the concept that in order for a scientific-technological