The many divisions of mathematical analysis created in the 17th century and 18th century continued to build with excellent intensity inside the 19th century and 20th century. The circle of programs to problems of science and know-how was greatly expanded at this time.Trung bìnhS? y?u v???c s? chung l?n nh?tB?i s? chung nh? nh?tTh? t? các ho?t ??n