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HP50g spins circles around the TI-89
05-03-2015, 05:15 PM
Post: #36
RE: HP50g spins circles around the TI-89
(05-01-2015 10:54 AM)BartDB Wrote:  Evidence: 1 ½ year since the last update for the HP-39Gii (a *new* HP calculator, released just before the Prime). I have one which is useless - whenever I do try to use it, it either hangs or produces errors (for example:
http://h30499.www3.hp.com/t5/Calculators...rue#M14651
http://h30499.www3.hp.com/t5/Calculators...701#M14103 ).

I checked the first case mentioned. It boils down to a faulty implementation of LN for complex arguments. The real part is off by more than a factor 2 in this example.

Marcus von Cube
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RE: HP50g spins circles around the TI-89 - Marcus von Cube - 05-03-2015 05:15 PM



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