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Difference between revisions of "Units"

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|Full description=The program converts quantities expressed in various scales to their equivalents in other scales. Units can only handle multiplicative scale changes. For example, it cannot convert Celsius to Fahrenheit but it can convert temperature differences between those teperature scales. The units are defined externally in an extensive, well annotated data file that defines over 2000 units. You can also provide your own data file.
 
|Full description=The program converts quantities expressed in various scales to their equivalents in other scales. Units can only handle multiplicative scale changes. For example, it cannot convert Celsius to Fahrenheit but it can convert temperature differences between those teperature scales. The units are defined externally in an extensive, well annotated data file that defines over 2000 units. You can also provide your own data file.
 
|User level=none
 
|User level=none
 +
|Status=Live
 +
|Component programs=
 +
|Homepage URL=http://www.gnu.org/software/units/units.html
 +
|VCS checkout command=
 +
|Computer languages=C
 +
|Documentation note=
 +
|Paid support=
 +
|IRC help=
 +
|IRC general=
 +
|IRC development=
 +
|Related projects=Portable_Unit_Converter_(PUC),Gnutrition
 +
|Keywords=conversion,scales,quantities,multiplication,units,calculation
 +
|Is GNU=y
 +
|Last review by=Janet Casey
 +
|Last review date=2002-05-19
 
|Submitted by=Database conversion
 
|Submitted by=Database conversion
 
|Submitted date=2011-04-01
 
|Submitted date=2011-04-01
|Version identifier=1.55
+
|Version identifier=1.87
|Version date=1999-07-30
+
|Version date=2007-09-26
 
|Version status=stable
 
|Version status=stable
|Version download=http://ftp.gnu.org/pub/gnu/units/units-1.55.tar.gz
+
|Version download=http://ftp.gnu.org/gnu/units/
|License verified date=2001-02-01
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|License verified date=2007-12-11
|Version comment=1.55 stable released 1999-07-30
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|Version comment=
 +
}}
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{{Person
 +
|Role=Maintainer
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|Real name=Adrian Mariano
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|Email=adrian@cam.cornell.edu
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|Resource URL=
 +
}}
 +
{{Resource
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|Resource audience=Bug Tracking,Developer,Support
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|Resource kind=E-mail
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|Resource URL=mailto:adrian@cam.cornell.edu
 
}}
 
}}
 
{{Software category
 
{{Software category
 
|Interface=command-line,console
 
|Interface=command-line,console
 +
|Use=science
 
}}
 
}}
 
{{Project license
 
{{Project license
 
|License=GPLv2orlater
 
|License=GPLv2orlater
|License verified by=Janet Casey
+
|License verified by=Deborah Nicholson
|License verified date=2001-02-01
+
|License verified date=2007-12-11
 +
}}
 +
{{Project license
 +
|License=GPLv3orlater
 +
|License verified by=Deborah Nicholson
 +
|License verified date=2007-12-11
 
}}
 
}}
 
{{Software prerequisite
 
{{Software prerequisite

Revision as of 11:25, 12 April 2011

[edit]

units

http://www.gnu.org/software/units/
The units program converts quantities expressed in various systems of measurement to their equivalents in other systems of measurement. Like many similar programs, it can handle multiplicative scale changes. It can also handle nonlinear conversions such as Fahrenheit to Celsius, and it can perform conversions to and from sums of units, such as converting between feet plus inches and meters.

Beyond simple unit conversions, units can be used as a general-purpose scientific calculator that keeps track of units in its calculations. You can form arbitrary complex mathematical expressions of dimensions including sums, products, quotients, powers, and even roots of dimensions. Thus you can ensure accuracy and dimensional consistency when working with long expressions that involve many different units that may combine in complex ways.

The units are defined in an extensive, well annotated data file that defines over 2500 units. You can also provide your own file to supplement or replace the standard file.

Heckert gnu.small.png This is a GNU package:units

Download

Download version 2.02 (stable)
released on 11 July 2013

Categories

Related Projects




Licensing

LicenseVerified byVerified onNotes
GPLv2orlaterDeborah Nicholson11 December 2007
GPLv3orlaterDeborah Nicholson11 December 2007



Leaders and contributors

Contact(s)Role
Adrian Mariano Maintainer


Resources and communication

Audience Resource type URI
Bug Tracking,Developer,Support E-mail mailto:bug-units@gnu.org


Software prerequisites

Kind Description
Weak prerequisite readline

This entry (in part or in whole) was last reviewed on 19 May 2002.



Entry






















Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.


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