Wed Mar 4 08:00:14 2020 simp_test R version 3.4.4 (2018-03-15) simp estimates an integral using Simpson's rule. f(x) = x^2 simp ( f, 0 , 1 , m = 2 ) = 0.3333333 simp ( f, 0 , 1 , m = 10 ) = 0.3333333 simp ( f, 0 , 1 , m = 100 ) = 0.3333333 simp ( f, 0 , 1 , m = 1000 ) = 0.3333333 simp_test Normal end of execution. Wed Mar 4 08:00:15 2020