R statistics

R is a free statistical software, under the terms of the Free Software Foundation’s, developed at Bell Laboratories by John Chambers and colleagues.

R provides a wide variety of statistical and graphical techniques:
-linear and nonlinear modelling,
-classical statistical tests,
-time-series analysis,

One of main features of R statistics softeare is well-designed publication-quality plots, including mathematical symbols and formulae where needed.

To find more information and download the manuals -visit here
To Download free R software -visit here