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

  NUMBER:  84

  ERROR CODE:  F, C

  MESSAGE TEXT:  square root of negative value

  EXPLANATION:  An argument required the evaluation of the square
  root of a negative value.  The result returned was the reserved
  operand, -0.