APL - Revision history

Dan Tobias at 18:29, 2 January 2025

2025-01-02T18:29:09Z

Dan Tobias at 05:29, 13 February 2014

2014-02-13T05:29:27Z

Dan Tobias: /* References */

2014-02-13T01:05:20Z

‎References

Dan Tobias at 16:20, 16 February 2013

2013-02-16T16:20:11Z

Dan Tobias at 01:34, 4 January 2013

2013-01-04T01:34:06Z

Dan Tobias at 01:33, 4 January 2013

2013-01-04T01:33:31Z

Dan Tobias: /* References */

2012-12-14T02:52:19Z

‎References

Dan Tobias at 02:51, 14 December 2012

2012-12-14T02:51:23Z

Dan Tobias: Released

2012-12-07T01:56:49Z

Released

Dan Tobias at 18:09, 25 November 2012

2012-11-25T18:09:37Z

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 '''APL''', known best as "that programming language with all the weird symbols", was developed by Kenneth E. Iverson at IBM in 1960, based on a mathematical notation he had devised in 1957 and published in a book called ''A Programming Language'', from which the language's name came.
-APL is capable of expressing complicated mathematical expressions such as various forms of matrix manipulation in a concise notation which makes use of a number of specialized symbols. Since these symbols were not part of the usual character sets (such as [[ASCII]] and [[EBCDIC]]) in use around the time the language was developed (though they have since been added to [[Unicode]] and can hence be expressed in modern character encodings such as [[UTF-8]]), a [[APL code page|specialized character set]] was used, often implemented as a separate type ball for IBM Selectric printing terminals. Special labels were often used on keyboards of terminals used for APL programming to show the characters the keys were associated with, which were different from the terminal's normal characters. Even in modern times, when the special characters are available as part of the Unicode set, actually typing them can be difficult without a specialized editor program designed for APL.
+APL is capable of expressing complicated mathematical expressions such as various forms of matrix manipulation in a concise notation which makes use of a number of specialized symbols, many of them based on the Greek alphabet. Since these symbols were not part of the usual character sets (such as [[ASCII]] and [[EBCDIC]]) in use around the time the language was developed (though they have since been added to [[Unicode]] and can hence be expressed in modern character encodings such as [[UTF-8]]), a [[APL code page|specialized character set]] was used, often implemented as a separate type ball for IBM Selectric printing terminals. Special labels were often used on keyboards of terminals used for APL programming to show the characters the keys were associated with, which were different from the terminal's normal characters. Even in modern times, when the special characters are available as part of the Unicode set, actually typing them can be difficult without a specialized editor program designed for APL.
 == See also ==

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 |caption=APL function
 }}
 '''APL''', known best as "that programming language with all the weird symbols", was developed by Kenneth E. Iverson at IBM in 1960, based on a mathematical notation he had devised in 1957 and published in a book called ''A Programming Language'', from which the language's name came.

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 * [http://www.dmoz.org/Computers/Programming/Languages/APL/ Open Directory Project links on APL]
 * [http://www.quadibloc.com/comp/aplint.htm Remembering APL]
 [[Category:IBM]]

← Older revision		Revision as of 16:20, 16 February 2013
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	* [http://www.dmoz.org/Computers/Programming/Languages/APL/ Open Directory Project links on APL]		* [http://www.dmoz.org/Computers/Programming/Languages/APL/ Open Directory Project links on APL]
	* [http://www.quadibloc.com/comp/aplint.htm Remembering APL]		* [http://www.quadibloc.com/comp/aplint.htm Remembering APL]
		+
		+	[[Category:IBM]]

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 |released=1960
 |image=Apl.png
-|APL function
+|caption=APL function
 }}

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 |subcat=Programming Languages
 |released=1960
 }}

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 == References ==
 * [http://en.wikipedia.org/wiki/APL_%28programming_language%29 APL (Wikipedia)]
 * [http://sourceforge.net/projects/openapl/ OpenAPL implementation]
 * [http://www.dmoz.org/Computers/Programming/Languages/APL/ Open Directory Project links on APL]
 * [http://www.quadibloc.com/comp/aplint.htm Remembering APL]

← Older revision		Revision as of 02:51, 14 December 2012
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	APL is capable of expressing complicated mathematical expressions such as various forms of matrix manipulation in a concise notation which makes use of a number of specialized symbols. Since these symbols were not part of the usual character sets (such as [[ASCII]] and [[EBCDIC]]) in use around the time the language was developed (though they have since been added to [[Unicode]] and can hence be expressed in modern character encodings such as [[UTF-8]]), a [[APL code page\|specialized character set]] was used, often implemented as a separate type ball for IBM Selectric printing terminals. Special labels were often used on keyboards of terminals used for APL programming to show the characters the keys were associated with, which were different from the terminal's normal characters. Even in modern times, when the special characters are available as part of the Unicode set, actually typing them can be difficult without a specialized editor program designed for APL.		APL is capable of expressing complicated mathematical expressions such as various forms of matrix manipulation in a concise notation which makes use of a number of specialized symbols. Since these symbols were not part of the usual character sets (such as [[ASCII]] and [[EBCDIC]]) in use around the time the language was developed (though they have since been added to [[Unicode]] and can hence be expressed in modern character encodings such as [[UTF-8]]), a [[APL code page\|specialized character set]] was used, often implemented as a separate type ball for IBM Selectric printing terminals. Special labels were often used on keyboards of terminals used for APL programming to show the characters the keys were associated with, which were different from the terminal's normal characters. Even in modern times, when the special characters are available as part of the Unicode set, actually typing them can be difficult without a specialized editor program designed for APL.
		+
		+	== See also ==
		+	* [[APL workspace]]
		+	* [[APL code page]]

	== References ==		== References ==

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 |formattype=Languages
 |subcat=Programming Languages
 }}