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RE: Quick HP question

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Got you beat, I bought about 1977.
Gary

On 19 Jan 2006 at 13:02, Rich Lewis wrote:

> Ah, another HP 15C diehard.  These old things just keep going . . .
> and going . . . . and going.  Best investment I ever made in
> engineering tools, 22 years ago.
> 
> 
> 
> I think the 'C' means you are in Celsius mode instead of Fahrenheit.
> 
> 
> 
> Okay, just kidding.
> 
> 
> 
> Here is what my manual says.  The 'C' is for Complex mode.  When in
> complex mode all trigonometric functions are done in radians.  So just
> convert your degrees to radians!
> 
> 
> 
> 
> 
> 
> 
> 
> 
> Hey, I'm just having a little fun on a boring Thursday, nothing
> personal.  I guess you would like to know how to turn it off.  Here's
> what the manual states: "To deactivate complex mode clear flag 8
> (keystroke sequence g>CF>8).  The C annunciator will disappear".
> 
> 
> 
> What I like best about my HP15C is that when the "low battery" symbol
> lights up, I still have about 1-1.5 years of battery life left.
> 
> 
> 
> HTH 
> 
> 
> 
> Rich
> 
> 
> 
>   _____  
> 
> From: Gary Ehrlich [mailto:GEhrlich(--nospam--at)mcecorp.com] 
> Sent: Thursday, January 19, 2006 7:58 AM
> To: seaint(--nospam--at)seaint.org
> Subject: Quick HP question
> 
> 
> 
> Normally I'd just RTFM, but TFM is at home and I'm at work.
> 
> Anyway, I've got my HP 15C stuck in the mode where there's a small "c"
> in the lower right corner of the display.  Anyone out there remember
> how I clear that?
> 
> I forget exactly what mode that is, I just know it's screwing up my
> sin/cos/tan functions.
> 
> Thanks,
> 
> Gary
> 
> Gary J. Ehrlich, PE
> 
> Meyer Consulting Engineers Corp.
> 
> 451 Hungerford Drive, #113
> 
> Rockville, MD  20850
> 
> (301) 738-5690 phone
> 
> (301) 738-5695 fax
> 
> gehrlich(--nospam--at)mcecorp.com
> 
> 



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