The Wolfram Cloud sandbox https://www.wolframcloud.com https://www.wolframcloud.com and raspberry-pi http://www.wolfram.com/raspberry-pi http://www.wolfram.c

The Wolfram Cloud sandbox https://www.wolframcloud.com https://www.wolframcloud.com and raspberry-pi http://www.wolfram.com/raspberry-pi http://www.wolfram.com/raspberry-pi editions are free. I understand - low power - but still one can at least try it out.