Re: problem with Calculator app

Macs R We <[email protected]> Wed, 8 Jan 2020 17:48:32 -0700
Newsgroups gmane.comp.macosx.general
Message-ID <[email protected]>
The ironic part is that I just tried the sequence myself:

-   1   =   eˣ

and got "Not a Number."    😳

(High Sierra, MBP 2015)


> On Jan 8, 2020, at 1:53 PM, Macs R We <[email protected]> wrote:
> 
> On the other hand, if it's clearly your hardware, you may have a much easier time of wangling a free repair or replacement from Apple.
> 
>> On Jan 8, 2020, at 1:45 PM, Dinse, Gregg (NIH/NIEHS) [C] <[email protected] <mailto:[email protected]>> wrote:
>> 
>> 
>> Thanks for the suggestion.  I should be able to do this, but probably not today.  I never even thought about the hardware being the problem.  That is upsetting.
>>  
>> Gregg
>>  
>> From: Macs R We <[email protected] <mailto:[email protected]>>
>> Date: Wednesday, January 08, 2020 at 3:40 PM
>> To: "Dinse, Gregg (NIH/NIEHS) [C]" <[email protected] <mailto:[email protected]>>
>> Cc: "[email protected] <mailto:[email protected]>" <[email protected] <mailto:[email protected]>>
>> Subject: Re: problem with Calculator app
>>  
>> What's scary about this is that the response "not a number" is often a response directly from the hardware.
>>  
>> If, like me, you are lucky enough to have on hand an external drive with relatively virgin copies of various Apple operating systems, you could boot one of them and see if you get the same result. It's possible that you will get this result no matter which operating system you boot on that hardware, whereas if you take the same drive and boot someone else's Mac with it, you may get proper results. That would pretty definitively show that the problem is your chip.
>>  
>> On Jan 8, 2020, at 12:49 PM, Dinse, Gregg (NIH/NIEHS) [C] <[email protected] <mailto:[email protected]>> wrote:
>> 
>> Hi,
>>  
>> 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 tried quitting the app, but that did not help.  I tried rebooting my mac, but that did not help.  I contacted our support group and they said the only thing they could do is to reinstall the operating system, which seems like a drastic step.  And exp(-1) worked just fine on the support person's mac.
>>  
>> Is there anything else that someone can suggest, short of reinstalling the OS?  The support person said that we could not simply replace the Calculator app because it was part of the OS.  Any thoughts?
>> 
>> Thanks,
>>  
>> Gregg

-- 
  Macs R We -- Personal Macintosh Service and Support
    in the Wickenburg and far Northwest Valley Areas.
                            http://macsrwe.com

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