The R Project – Statistics Package
R is a language and environment for
statistical computing and graphics. R
provides a wide variety of statistical
(linear and nonlinear modelling,
classical statistical tests, time-series
analysis, classification, clustering, ...)
and graphical techniques, and is
highly extensible.
Windows Mac OS Linux Unix http://www.r-project.org/
Stellarium – A Planetarium for the Classroom
Stellarium is free GPL software
which renders realistic skies in real
time with openGL. It is available for
Linux/Unix, Windows and MacOSX.
With Stellarium, you really see what
you can see with your eyes,
binoculars or a small telescope.
Stellarium is also used in
planetariums
Windows Mac OS Linux Unix http://stellarium.sourceforge.net/
Open Source Victoria Page 32 of 77 The National Center for Open Source and Education
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