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File:HP-38G scientific graphing calculator (edited, without background).JPG

Original file ‎(1,400 × 2,840 pixels, file size: 2.91 MB, MIME type: image/jpeg)

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HP-38G graphing calculator

Summary edit

Description
中文（中国大陆）：开机后的HP38G
English: Hewlett-Packard HP-38G graphing calculator, strongly reworked/retouched image
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original file
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped, removed background, perspective corrected to rectangular with freeware IrfanView, Plug-in "Perspective Transformations", more gamma value, display contrast enhanced. The original can be viewed here: HP-38G scientific graphing calculator (edited, without background).JPG: . Modifications made by Pittigrilli.

Licensing edit

I, the copyright holder of this work, hereby publish it under the following license:
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This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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  • to share – to copy, distribute and transmit the work
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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Date/TimeThumbnailDimensionsUserComment
current12:08, 13 February 2024Thumbnail for version as of 12:08, 13 February 20241,400 × 2,840 (2.91 MB)Pittigrilli (talk | contribs)cropped, removed background, perspective corrected to straight-up, more gamma value, display contrast enhanced
12:06, 13 February 2024Thumbnail for version as of 12:06, 13 February 20241,935 × 2,582 (2.85 MB)Pittigrilli (talk | contribs)File:HP38G.JPG cropped 20 % horizontally, 20 % vertically using CropTool with lossless mode.

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