FIG. 1 is a perspective view of a tabbed notebook interface for an electronic spreadsheet for a computer display screen, the broken line drawing of a computer display screen and hard drive is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front view thereof, the broken line drawing of a computer display screen and hard drive is for illustrative purposes only and forms no part of the claimed design;

FIG. 3 is a front view thereof, the interior window is shown separately for clarity of illustration;

FIG. 4 is a front view thereof, on an enlarged scale, the lower tabs are shown separately for clarity of illustration;

FIG. 5 is a front view of a second embodiment thereof, on an enlarged scale, the lower tabs are shown separately for clarity of illustration;

FIG. 6 is a front view of a third embodiment thereof, on an enlarged scale, the lower tabs are shown separately for clarity of illustration;

FIG. 7 is a front view of a fourth embodiment thereof, on an enlarged scale, the lower tabs are shown separately for clarity of illustration;

FIG. 8 is a front view of a fifth embodiment thereof, on an enlarged scale, the lower tabs are shown separately for clarity of illustration; and,

FIG. 9 is a front view of a sixth embodiment thereof, on an enlarged scale, the lower tabs are shown separately for clarity of illustration.