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The ornamental design for a pocket calculator, as shown and described. |
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FIG. 1 is a perspective view of the pocket calculator showing my new design in the open position;
FIG. 2 is a front elevational view;
FIG. 3 is a top plan view;
FIG. 4 is a bottom plan view;
FIG. 5 is a left side elevational view;
FIG. 6 is a right side elevational view.
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