This manual relates to an old release of the Library.
The documentation for the current release is also available on this site.
NAG Library Manual, Mark 27.1
Interfaces:  FL   CL   CPP   AD 
NAG AD Library Introduction
Example description
 S15AD_A1W_F Example Program Results

        x         erfc(x)    derfc/dx   Exact erfc'
   -1.000E+00   1.843E+00  -4.151E-01  -4.151E-01