25 October 2011 8:51:09.169 AM QUAD: FORTRAN77 version Estimate the integral of f(x) from A to B. f(x) = 50 / (pi * ( 2500 * x * x + 1 ) ). A = 0.0000000000000000 B = 10.000000000000000 N = 10000000 Exact = 0.49936338107645672 Estimate = 0.49937128891912641 Error = 7.90784266968547200E-006 Time = 0.33919600000000000 QUAD_SERIAL: Normal end of execution. 25 October 2011 8:51:09.509 AM