ERF(2)                                                     ERF(2)

     NAME
          erf, erfc - error function

     SYNOPSIS
          double erf(double x)

          double erfc(double x)

     DESCRIPTION
          These functions calculate the error function erf(x) and the
          complementary error function erfc(x).  The error criterion
          for both erf and erfc is relative.

     DIAGNOSTICS
          There are no error returns.

     Page 1                       Plan 9             (printed 4/18/26)