The ornamental design for a computerdesk, as shown and described.
FIG. 1 is a front, off-angle, perspective view of a computer desk incorporating the new design.
FIG. 2 is a top view of the computer desk incorporating the new design.
FIG. 3 is a front elevation view of the computer desk incorporating the new design; and,
FIG. 4 is a side elevation view of the left side of the computer desk incorporating the new design, the right side is identical thereto.
The rear of the computer desk forms no part of the claimed design.
It is noted that broken or dashed lines within the Drawings, and the contents/details inside said broken or dashed lines, form no part of the claimed design.
In the drawings, the broken lines represent portions of the computer desk that form no part of the claimed design.