VMS Help PASCAL, Data Types, Real  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  Real types specify real number values with different degrees  of
  precision.

  Additional Information (explode) :

• REAL
• SINGLE
• F_FLOAT
• S_FLOAT
• DOUBLE
• D_FLOAT
• G_FLOAT
• T_FLOAT
• QUADRUPLE
• H_FLOAT
• X_FLOAT