FIG. 1 is a front view of a surface ornamentation for a handheld computer and a computer-generated icon for a handheld computer of the invention, on a greatly enlarged scale, the surface ornamentation or icon is shown separately for clarity of illustration;

FIG. 2 is a front view thereof, the surface ornamentation is shown on a button or actuation key of a handheld computer, the broken line drawing of a button or actuation key of a handheld computer is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 3 is a front view thereof, on an enlarged scale, the surface ornamentation or icon is shown on the display portion of a handheld computer, the broken line drawing of the display portion of a handheld computer is shown for illustrative purposes only and forms no part of the claimed design;

FIG. 4 is a front view of an embodiment thereof, the surface ornamentation is shown on a button or actuation key of a handheld computer and a handheld computer, the broken line drawing of a button or actuation key of a handheld computer is shown for illustrative purposes only and forms no part of the claimed design; and,

FIG. 5 is a front view thereof, on an enlarged scale, the icon is shown on the display portion of a handheld computer, the broken line drawing of the display portion of a handheld computer is shown for illustrative purposes only and forms no part of the claimed design.