NAG Library Manual, Mark 28.6
Interfaces:  FL   CL   CPP   AD 

NAG FL Interface Introduction
Example description
 D02BGF Example Program Results

 Calculation with TOL = 0.1E-03
  Y(M) changes sign at X =  7.2884

 Calculation with TOL = 0.1E-04
  Y(M) changes sign at X =  7.2883