File: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

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file ‎(2,449 × 1,548 pixels, file size: 2.78 MB, MIME type: image/jpeg)

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 process
This file has been extracted from another 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
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, changed each button's appearance, changed metal stripe on top, added active display on LCD display which was "off" in original, improved contrast and sharpness of all LCD segments in last work step. 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

w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
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.

Captions

Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Calculator for programmers

Items portrayed in this file

depicts

inception

20 July 2013

MIME type

image/jpeg

File history

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

Date/TimeThumbnailDimensionsUserComment
current12:45, 20 February 2024Thumbnail for version as of 12:45, 20 February 20242,449 × 1,548 (2.78 MB)PittigrilliLC Display was a bit out of focus and had weak contast, thus increased sharpness and contrast of segments
19:43, 18 February 2024Thumbnail for version as of 19:43, 18 February 20242,449 × 1,548 (2.74 MB)Pittigrilliadded display content in hex format
13:55, 18 February 2024Thumbnail for version as of 13:55, 18 February 20242,449 × 1,548 (2.29 MB)PittigrilliCropped 8 % horizontally, 10 % vertically using CropTool with lossless mode.
13:36, 18 February 2024Thumbnail for version as of 13:36, 18 February 20242,654 × 1,728 (2.37 MB)Pittigrillicompletely reworked in detail, buttons and metal stripe in particular
13:35, 18 February 2024Thumbnail for version as of 13:35, 18 February 20242,640 × 1,840 (3.38 MB)PittigrilliFile:Hewlett-Packard Model HP-16C Programmable RPN Calculator, HP's First and Only Calculator esp. for Programmers, built 1982-1989 (edited to rectangular).jpg cropped 20 % horizontally, 20 % vertically using CropTool with lossless mode.
The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Global file usage

The following other wikis use this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from "https://en.wikipedia.org/wiki/File:Hewlett-Packard_Model_HP-16C_Programmable_RPN_Calculator,_HP%27s_First_and_Only_Calculator_esp._for_Programmers,_built_1982-1989_(edited_to_rectangular,_V2).jpg"