Ilmu pasti (bahasa Belanda: exacte wetenschap), atau eksakta[1][2][3] dan terkadang disebut juga dengan istilah ilmu pasti matematika[4] adalah ilmu-ilmu "yang memberikan jawaban mutlak pada hasilnya"; khususnya ilmu matematika.[5] Contoh ilmu pasti adalah matematika, optika, astronomi dan fisika.[6] Ilmu tersebut diterapkan dalam banyak budaya dari zaman kuno[7][8] sampai zaman modern.[9][10]
^Grant, Edward (2007), A History of Natural Philosophy: From the Ancient World to the Nineteenth Century, Cambridge: Cambridge University Press, hlm. 43, ISBN9781139461092
^"Exact, adj.1", Oxford English Dictionary, Online version (edisi ke-2nd), Oxford: Oxford University Press, June 2016
^Friedman, Michael (1992), "Philosophy and the Exact Sciences: Logical Positivism as a Case Study", dalam Earman, John, Inference, Explanation, and Other Frustrations: Essays in the Philosophy of Science, Pittsburgh series in philosophy and history of science, 14, Berkeley and Los Angeles: University of California Press, hlm. 84, ISBN9780520075771
^Neugebauer, Otto (1962), The Exact Sciences in Antiquity, The Science Library (edisi ke-2nd, reprint), New York: Harper & Bros.
^Harman, Peter M.; Shapiro, Alan E. (2002), The Investigation of Difficult Things: Essays on Newton and the History of the Exact Sciences in Honour of D. T. Whiteside, Cambridge: Cambridge University Press, ISBN9780521892667
^Pyenson, Lewis (1993), "Cultural Imperialism and Exact Sciences Revisited", Isis: 103–108, doi:10.1086/356376, JSTOR235556, [M]any of the exact sciences… between Claudius Ptolemy and Tycho Brahe were in a common register, whether studied in the diverse parts of the Islamic world, in India, in Christian Europe, in China, or apparently in Mesoamerica.
