/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Run Time Errors, General, FLOUNDMAT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  NUMBER:  89

  ERROR CODE:  F, C

  MESSAGE TEXT:  floating underflow in math library

  EXPLANATION:  A floating underflow condition was detected during
  execution of a math library procedure.  The result returned was
  zero.