I'm not quite sure I understand what you mean.

If the calculator came up with that -- well, someone programmed the calculator to perform mathematical functions, so if it came up with that result, either someone else has seen that anomaly or the original programmers knew that would happen.

I'm pretty sure this entry isn't about Sumiki discovering negative infinity? Seemed to me like it was about negative infinity being equal to infinity. Not like it said that in the entry itself or anything .

 

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All I'm saying is that if the calculator came up with negative infinity being equal to infinity, wouldn't someone else have found that by now? Either that, or the original programmers discovered it, since a machine is really no greater than its creators.