A Get GR Tensor II: Where to Buy Program Library

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DOWNLOAD
Please, how can I get a copy of this program library?
 
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Welcome to PF.

Did you do a Google search for downloads of that package? Are you looking for the Maple version or the Mathematica version?
 

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Thread 'Trying to calculate proper time of worldlines using rotating frames'

So, to calculate a proper time of a worldline in SR using an inertial frame is quite easy. But I struggled a bit using a "rotating frame metric" and now I'm not sure whether I'll do it right. Couls someone point me in the right direction? "What have you tried?" Well, trying to help truly absolute layppl with some variation of a "Circular Twin Paradox" not using an inertial frame of reference for whatevere reason. I thought it would be a bit of a challenge so I made a derivation or...
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