FIG. 1 is a front elevational view of a first embodiment of a hand held computer, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a back elevational view thereof;

FIG. 7 is a front, bottom, right side perspective view of the hand held computer of FIG. 1; and,

FIG. 8 is a front elevational view of a second embodiment of a hand held computer according to the invention; the keys in the keypad are shown in broken lines and form no part of the claimed design. The top, bottom, left side, right side and back views of the second embodiment are the same as the top, bottom, left side, right side and back views, respectively, of the first embodiment, except for the unclaimed keys in the keypad.