File:Hewlett-Packard Model HP-16C Programmable RPN Calculator, HP's First and Only Calculator esp. for Programmers, built 1982-1989 (edited to rectangular).jpg

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Summary

Description Vintage Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Calculator for programmers (hence people writing computer programs etc.), circa 1988
Date
Source Vintage Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Programmable Calculator, Circa 1988
Author Joe Haupt from USA
Other versions
Image extraction processThis file has an extracted image: Hewlett-Packard Model HP-16C Programmable RPN Calculator, HP's First and Only Calculator esp. for Programmers, built 1982-1989 (edited to rectangular, V2).jpg.
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This file has been extracted from another file: Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Calculator esp. for Programmers, bulit 1982-1989 (edited to rectangular).jpg.
The source image was deleted for reasons that do not affect this image, like a derivative work which is not a part of this cropped image.
image extraction process
This file has been extracted from another file
: Vintage Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Calculator esp. for Programmers, circa 1988 (9330369298).jpg
original file
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: changed perspective to rectangular incl. making outlines exactly horizontal and vertical, cropped, colors improved. The original can be viewed here: Vintage Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Calculator esp. for Programmers, circa 1988 (9330369298).jpg: . Modifications made by Pittigrilli.

Licensing

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Captions

Hewlett-Packard Model HP-16C Progammable RPN Calculator, dedicated model for programmers

Items portrayed in this file

depicts

inception

20 July 2013

media type

image/jpeg

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current13:20, 18 February 2024Thumbnail for version as of 13:20, 18 February 20243,300 × 2,300 (4.03 MB)Pittigrilliintended file
13:19, 18 February 2024Thumbnail for version as of 13:19, 18 February 20242,702 × 2,021 (1.67 MB)PittigrilliFile:Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Calculator esp. for Programmers, bulit 1982-1989 (edited to rectangular).jpg cropped 20 % horizontally, 20 % vertically using CropTool with lossless mode.
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