1 REAL
 The REAL function converts a numeric or string expression to  a  specified
 or default floating-point data type.

 Example

 A = REAL(3.2, DOUBLE)

2 Syntax

                         [, SINGLE ]
                         [, DOUBLE ]
     real-var = REAL(exp [, GFLOAT ] )
                         [, SFLOAT ]
                         [, TFLOAT ]
                         [, XFLOAT ]