# R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS. To download R, please choose your preferred CRAN mirror. # If you have questions about R like how to do
REvolution Computing offers REvolution R, an enhanced distribution of R, as a free download. It also offers REvolution R Enterprise, a subscription-based version of R aimed at large companies that work with large data sets, and ParallelR (included in the Enterprise edition), which can take advantage of multi-processor systems and clusters for large data crunching tasks. R itself, and REvolution's versions, are being embraced in a number of fields, with a number of innovative new applications arriving.