[Jchat] Mathematica on Raspberry Pi

['James Russell' via Chat]

While Mathematica and Wolfram are free on the Pi, I keep getting asked for a 
license number i neither have nor seem to be able to obtain. I did find and old 
post about users having to be in the video group, which I put myself into, but 
it didn’t help.  Have any PI users here have better luck?
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