IEEE Floating Point Representations 

Single Precision Normalized 

IEEE Single Precision
31    Sign	30                 23    Exponent	22                                                        0    Mantissa	Note:

Double Precision Normalized 

IEEE Double Precision
63    Sign	62                         52    Exponent	51                                                32    Mantissa(1)	Note:
31                                                                                           0     Mantissa(2)

Maple's Floating Point Representation