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

  NUMBER:  73

  ERROR CODE:  F, C

  MESSAGE TEXT:  arithmetic trap, zero divide

  EXPLANATION:  During a floating-point or decimal arithmetic
  operation, an attempt was made to divide by 0.0.  If
  floating-point, the result returned is the the reserved operand,
  -0.  If decimal, the result of the operation is unpredictable.