File:Example of a statement in the Klerer-May programming system.png

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Summary[edit]

Media data and Non-free use rationale
Description	Example of a statement in the Klerer-May programming system. From Figure 5 of M. Klerer and J. May, A user oriented programming language, The Computer Journal (1965) 8 (2): 103-109. doi: 10.1093/comjnl/8.2.103
Author or copyright owner	Melvin Kleer and Jack May
Source (WP:NFCC#4)	http://comjnl.oxfordjournals.org/content/8/2/103.full.pdf+html
Date of publication	1965
Use in article (WP:NFCC#7)	Klerer-May System
Purpose of use in article (WP:NFCC#8)	The most notable feature of the Klerer-May System is its two-dimensional notation, so an example of that notation is crucial to understanding the work.
Not replaceable with free media because (WP:NFCC#1)	n.a.
Not replaceable with textual coverage because (WP:NFCC#1)	The Klerer-May System used a custom modified teletypewriter (Friden Flexowriter), and the exact typography of this system is of historical interest, and this would not be captured either by text or a newly created image. Wiki text is not capable of producing even a good approximation of an illustrative example of a Klerer-May expression.
Minimal use (WP:NFCC#3)	One example of several from the source paper is used. The example shows a single programming language statement, which is the smallest unit appropriate to illustrate programming language statements.
Respect for commercial opportunities (WP:NFCC#2)	The full paper from which the example is excerpted is available without charge from the publisher at http://comjnl.oxfordjournals.org/content/8/2/103.abstract so the selection is highly unlikely to harm any commercial interest of the publisher.
Other information	The image is classed as a ‘software screenshot’ as the closest available category, although the device was a teletype rather than a screen.
Fair useFair use of copyrighted material in the context of Klerer-May System//en.wikipedia.org/wiki/File:Example_of_a_statement_in_the_Klerer-May_programming_system.pngtrue

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:54, 13 October 2017		519 × 192 (17 KB)	DatBot (talk \| contribs)	Reduce size of non-free image (BOT - disable)
	17:14, 23 August 2014	No thumbnail	675 × 250 (11 KB)	Kpschoedel (talk \| contribs)	Uploading an excerpt from a non-free work using File Upload Wizard

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Klerer–May System