01 September 2018 06:41:10 PM QUAD_SERIAL: 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 = 0.334978 QUAD_SERIAL: Normal end of execution. 01 September 2018 06:41:10 PM