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I can't speak for the NumWorks but battery replacement on the Nspire is trivial and their availability seems to be just fine. Of course the ease of replacement
by FriedrichN 5y ago
I can't speak for the NumWorks but battery replacement on the Nspire is trivial and their availability seems to be just fine. Of course the ease of replacement and availability of AA/AAA batteries is better than the lithium battery, but it would not be a reason for me not to get the calculator.