diff options
Diffstat (limited to 'gnu/packages/maths.scm')
| -rw-r--r-- | gnu/packages/maths.scm | 52 |
1 files changed, 16 insertions, 36 deletions
diff --git a/gnu/packages/maths.scm b/gnu/packages/maths.scm index 0392096563..4ff7143f86 100644 --- a/gnu/packages/maths.scm +++ b/gnu/packages/maths.scm @@ -44,25 +44,11 @@ (build-system gnu-build-system) (synopsis "Conversion between thousands of scales") (description - "GNU Units 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 or wire -gauge, and it can convert from and to sums of units, such as converting -between meters and feet plus inches. - -Beyond simple unit conversions, GNU 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 external data file. You can use the extensive -data file that comes with this program, or you can provide your own data -file to suit your needs. You can also use your own data file to supplement -the standard data file.") + "Units is a program for converting measured quantities between units of +measure. It can handle scale changes through adaptive usage of standard +scale prefixes (i.e. micro-, kilo-, etc.). It can also handle nonlinear +conversions such as Fahrenheit to Celcius. Its interpreter is powerful +enough to be used effectively as a scientific calculator.") (license license:gpl3+) (home-page "http://www.gnu.org/software/units/"))) @@ -95,14 +81,11 @@ the standard data file.") (home-page "http://www.gnu.org/software/gsl/") (synopsis "Numerical library for C and C++") (description - "The GNU Scientific Library (GSL) is a numerical library for C -and C++ programmers. It is free software under the GNU General -Public License. - -The library provides a wide range of mathematical routines such -as random number generators, special functions and least-squares -fitting. There are over 1000 functions in total with an -extensive test suite.") + "The GNU Scientific Library is a library for numerical analysis in C +and C++. It includes a wide range of mathematical routines, with over 1000 +functions in total. Subject areas covered by the library include: +differential equations, linear algebra, Fast Fourier Transforms and random +numbers.") (license license:gpl3+))) (define-public pspp @@ -134,13 +117,10 @@ extensive test suite.") (home-page "http://www.gnu.org/software/pspp/") (synopsis "Statistical analysis") (description - "PSPP is a program for statistical analysis of sampled data. It is a -free replacement for the proprietary program SPSS, and appears very similar -to it. - -PSPP can perform descriptive statistics, T-tests, anova, linear and logistic -regression, cluster analysis, factor analysis, non-parametric tests and -more. Its backend is designed to perform its analyses as fast as possible, -regardless of the size of the input data. You can use PSPP with its -graphical interface or the more traditional syntax commands.") + "PSPP is a statistical analysis program. It can perform descriptive +statistics, T-tests, linear regression and non-parametric tests. It features +both a graphical interface as well as command-line input. PSPP is designed to +interoperate with Gnumeric, LibreOffice and OpenOffice. Data can be imported +from spreadsheets, text files and database sources and it can be output in +text, Postscript, PDF or HTML.") (license license:gpl3+))) |