Is anybody interested in a Raspberry-Pi thread?
I bought a Pi almost two years ago, and have ported some of my Mathematica applications onto it. I use the Raspbian version of Linux, and Mathematica 10, which comes free with the Pi, and which I have been using for some years, formerly on a laptop. For those who do not know Mathematica, it features the Wolfram language, which has some 5000 or more intrinsic functions; learning it must be like learning Chinese maybe? I cannot over-stress the power of Mathematica; I have used it for number-crunching, simulations, filtering, data-visualisation, writing and algebra, the latter with files up to 30 MB long at times.
The latest thing I am trying is parallel-processing, which seems to be well supported by Mathematica. It detects the available cores, and you can launch processes in a queue, where they are processed four at a time. There are many other parallel processing features, including forming a grid of computers, all running Mathematica. I would like to try using the router, with a USB drive, to enable two Pi's to communicate, to extend the processing in a simple way, without spending money; an alternative is setting up a server in Linux, and reading it with Mathematica.
For those with a GPU on a PC, Mathematica supports CUDA and OpenCL. There is a language reference-guide at reference.wolfram.com.