NAG Library Manual, Mark 27.2
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description

 D01ARF Example Program Results

 Definite integral of 4/(1+x*x) over (0,1)
 Estimated value of the integral =  3.14159
 Estimated absolute error =  0.18E-07
 Number of points used =  15

 Definite integral of x**(1/8) over (1,2)
 Estimated value of the integral =  1.04979
 Estimated absolute error =  0.59E-06
 Number of points used =   7

 Indefinite integral of x**(1/8) over (1.2,1.8)
 Estimated value of the integral =  0.63073