Up to FIVE FILES! OMG! I love Mathematica and use it at least once a week. But these "free" versions are nothing but your first hit. And the Wolfram Language i

Up to FIVE FILES! OMG! I love Mathematica and use it at least once a week. But these "free" versions are nothing but your first hit. And the Wolfram Language is not something you're going to figure out in the course of an afternoon with five notebooks.