PyPy is officially sanctioned as python 2.7 interpreter. Cannot run scientific code does not rule it out. This is more a problem on the scientific code being to

PyPy is officially sanctioned as python 2.7 interpreter. Cannot run scientific code does not rule it out. This is more a problem on the scientific code being too implementation specific (for good reasons though). This is known to be a problem to a lot of people (including me), however it does not rule pypy as a python 2.7 interpreter (without qualifications).