- Go to https://github.com/squeaky-pl/portable-pypy#portable-pypy-distribution-for-linux
- Download wanted version, and extract it where you want.
ln -a /full_path_to/pypy-3.5 ~/bin/pypy-portable
pypy-portable -m ensurepip # not needed
pypy-portable -m pip --upgrade pip
pypy-portable -m pip install six
pypy-portable -m pip install dateutils # with a 's'
pypy-portable -m pip install numpy
pypy-portable -m pip install matplotlib