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The ornamental design for an electronic calculator, as shown.
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FIG. 1 is a front view of the present design;
FIG. 2 is a back view of the present design;
FIG. 3 is a left side view of the present design;
FIG. 4 is a right side view of the present design;
FIG. 5 is a top view of the present design;
FIG. 6 is a bottom view of the present design; and,
FIG. 7 is a perspective view of the present design.
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| D307917, | Dec 21 1987 | KINPO ELECTRONICS, INC | Calculator or similar article |
| D312093, | Jun 07 1988 | Limax Electronics Co., Inc. | Combined calculator and puzzle or similar article |
| D317755, | Dec 30 1986 | TELEMECANIQUE, A CORP OF FRANCE | Programming and adjusting terminal |
| D319252, | Oct 07 1988 | Sharp Corporation | Electronic calculator with solar cell |
| D426849, | Jan 22 1999 | LEE HANDERSON HK LIMITED | Calculator |
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