21 January 2020 08:16:05 AM quad: C version Estimate the integral of f(x) from A to B. f(x) = 50 / ( pi * ( 2500 * x * x + 1 ) ). A = 0.000000 B = 10.000000 N = 10000000 Exact = 0.4993633810764567 Estimate = 0.4993712889191264 Error = 7.907843e-06 Time = 0.249146 quad: Normal end of execution. 21 January 2020 08:16:05 AM