File:Sharp EL-8 The First Portable Electronic Calculator.jpg
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Summary
| Description |
English: Sharp calculators Electronics Corporation introduced end of the year 1970 the first portable, battery four-functions operated calculator. The calculating board with 4 Rockwell LSI integrated circuits, and a timer integrated circuit. Display is 8 digits green fluorescent tubes. |
| Date | |
| Source | Own work |
| Author | Mister rf |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:30, 19 December 2015 | | 1,900 × 2,100 (1.65 MB) | wikimediacommons>Mister rf | User created page with UploadWizard |
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