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All releases of units

  •  29 Mar 2014 16:35
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    Release Notes: This version supports '_' to represent the previous result and support for rational exponents. Output can be logged to a file with -L. Nonlinear unit synonyms are easier to define, and display of nonlinear unit definitions now shows the range and domain and type of units needed. Error handling is better, and various bugs have been fixed.

    •  31 Oct 2012 10:29
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      Release Notes: This release corrects an electron mass error.

      •  30 Jun 2012 15:59
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        Release Notes: This release supports conversion to sums of units (e.g., feet and inches or hours and minutes). It includes a script to automatically update the currency conversion rates. The units are now in Unicode with UTF-8. Units can be defined with reference to environment variables, so you can now select local units such as the gallon without changing locale, and these units will work everywhere. The name of the units database has changed, and the syntax for defining nonlinear units has changed slightly to allow specification of domain and range. The personal units database is now $HOME/.units.

        •  16 Feb 2010 03:19
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          Release Notes: The units database has been updated to include the latest NIST values, abrasive grits, and other fixes.

          •  27 Sep 2007 09:18
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            Release Notes: Units now reads custom definitions from ~/.units.dat. The precedence of "*" has changed to match the usual algebraic precedence, and the "**" operator was added for exponents. A text search feature was added so that typing "search text" lists the units whose names contain "text".

            •  16 Nov 2006 12:25
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              Release Notes: A bus error on Intel Mac was fixed. Minor changes that allow the program to be compiled as a library and linked to other programs were made. Two new command line arguments for control of the output format were added.

              •  31 May 2005 05:31
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                Release Notes: The '-' character has been changed into a subtraction operator. (The old behavior is still available with an option.) The handling of radian and steradian has been changed so that these units are conformable to 1. It is now possible to include files from units.dat, and multiple units files can be specified on the command line. The units database has been updated. (The frequently reported erroneous definition of the astronomical unit has been fixed.)

                •  20 Jun 2002 05:21
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                  Release Notes: With this version, support for locales was added and some bugs were fixed.

                  •  01 Aug 1999 05:13
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                    Release Notes: Added over 600 new units and corrected errors in the units data file and minor bug fix affecting unit name completion.

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