FIG. 1 is a perspective view of the casing for computer showing my new design;

FIG. 2 is a side elevational view thereof taken from the left;

FIG. 3 is a side elevational view thereof taken from the right;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.