2013 Reprint of 1949 Edition. Exact facsimile of the original edition, not reproduced with Optical Recognition Software. Francis Begnaud Hildebrand (1915-2002) was an American mathematician. He was a Professor of mathematics at the Massachusetts Institute of Technology (MIT) from 1940 until 1984. Hildebrand was known for his many influential textbooks in mathematics and numerical analysis. The big green textbook from these classes (originally "Advanced Calculus for Engineers," later "Advanced Calculus for Applications") was a fixture in engineers' offices for decades.