Hewlett-Packard_HP-42S,_programmable_calculator_with_RPN_(combined_from_two_images,_cropped).jpg
![File:Hewlett-Packard HP-42S, programmable calculator with RPN (combined from two images, cropped).jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Hewlett-Packard_HP-42S%2C_programmable_calculator_with_RPN_%28combined_from_two_images%2C_cropped%29.jpg/334px-Hewlett-Packard_HP-42S%2C_programmable_calculator_with_RPN_%28combined_from_two_images%2C_cropped%29.jpg)
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Summary
Description Hewlett-Packard HP-42S, programmable calculator with RPN (combined from two images, cropped).jpg |
English:
Programmable RPN calculator HP-42S (built from 1988 to 1995). It shows the values of the X and Y registers of its internal 4-level-stack.
This image is a kind of combination of three source images while combining the good features of each. I have once written a quite extensive " Tutorial about how to retouche/rework images of pocket calculators in GIMP " (well, works of course for many other motives, as well) on my German user page - only in German, but maybe Google Translate is your friend here, if interested. |
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Source | charade #131 answer , File:Hp42s face.jpeg , File:Hewlett-Packard HP-42S, programmable RPN pocket calculator (1988-1995).jpg | |||||||||
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Other versions |
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This is a
retouched picture
, which means that it has been digitally altered from its original version. Modifications:
Combined original images with each other plus display values mixed from all three, strongly adapted colours, removed shiny areas, removed all stains
. The original can be viewed here:
Charade -131 answer (414991827).jpg
:
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Licensing
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You are free:
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Captions
Hewlett-Packard HP-42S, programmable RPN pocket calculator (1988-1995), showing values of X and Y registers of its stack
Hewlett-Packard HP-42S, programmierbarer RPN-Taschenrechner (1988-1995), mit den Werten des X- und Y-Registers des internen Stacks