File:Backside of Financial Calculator Hewlett-Packard HP-12C built from 1981, this item produced 1988.jpg
![File:Backside of Financial Calculator Hewlett-Packard HP-12C built from 1981, this item produced 1988.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/9/93/Backside_of_Financial_Calculator_Hewlett-Packard_HP-12C_built_from_1981%2C_this_item_produced_1988.jpg/800px-Backside_of_Financial_Calculator_Hewlett-Packard_HP-12C_built_from_1981%2C_this_item_produced_1988.jpg)
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Original file (3,695 × 2,284 pixels, file size: 3.49 MB, MIME type: image/jpeg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:23, 17 May 2024 | ![]() | 3,695 × 2,284 (3.49 MB) | Pittigrilli | less gamma value, more contrast |
15:31, 6 March 2024 | ![]() | 3,695 × 2,284 (5.02 MB) | Pittigrilli | Uploaded own work with UploadWizard |
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