> On Jan 8, 2020, at 4:54 PM, George N. White III <[email protected]> wrote:
>> I am running the latest version of Mojave (10.14.6) on a fairly new iMac.
>> Using the Scientific view in the Calculator app, I tried to evaluate exp(-1)
>> and it said "Not a number". I tried several other negative values and none
>> worked, even though they certainly should. When I tried taking 10 to the -1
>> power, I got the correct result (0.1), but for some reason it has a problem
>> raising "e" (the base for natural logarithms) to a negative power.
>>
>
> I've encountered similar issues when the "minus" sign was some Unicode "dash"
> supplied by an overly helpful editor like MacOS textedit. Living in Canada,
> I have found that systems sometimes produce the look-alike characters when
> trying to write in the French language.
Great catch. Check your Keyboard preference panel for unexpected key
translations.
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