File:Backside of Financial Calculator Hewlett-Packard HP-12C built from 1981, this item produced 1988.jpg

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Summary

Description
English: Backside of Financial Calculator Hewlett-Packard HP-12C built from 1981. The depicted item was produced 1988 in Brazil - Brazil is printed on the back, while the date can be derived by the serial number (top right) by the formula: The first two digits/cyphers of the number are the years which have passed (on the day of production) since the year 1960. As the first two digits of the SN of the device in the image above are 28, the production year is 1960+28=1988.
Date
Source Own work
Author Pittigrilli
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Image extraction processThis file has an extracted image: Country of production (Brazil) and serial number on backside of financial calculator Hewlett-Packard HP-12C, produced 1988 (cropped).jpg.
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Backside of Financial Calculator Hewlett-Packard HP-12C built from 1981

inception

6 March 2024

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image/jpeg

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current15:31, 6 March 2024Thumbnail for version as of 15:31, 6 March 20243,695 × 2,284 (5.02 MB)PittigrilliUploaded own work with UploadWizard
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