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The ornamental design for a calculator, as shown and described. |
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FIG. 1 is a perspective view of a calculator showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view, the left side elevational view being a mirror image;
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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