FIG. 1 is a rear perspective view of the rear face of a combined personal digital assistant and navigation device according to the present invention;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines are shown in the views for illustrative purposes only and form no part of the claimed design.