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Re: cmpc RPN calculator

 

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I first started using the h p 11 c in college in 1980 or thereabouts. ?Since then it has been my constant companion and it is unchanged. ?I do not like the new cardboard assembled in China versions but H P doesn¡¯t make better models. ?So I treasure my 1980 model which still works as well as it did nigh upon 40 years ago. ?

The ap version on the iPhone is just as good except that one has to turn the iPhone on repeatedly (if he has set it to go off). ?

It¡¯s much easier to use an R P N calculator for complex calculations than to use the normal one. ?

On 24-Oct-2019, at 12:26 AM, Otto Nikolaus via Groups.Io <otto.nikolaus@...> wrote:

?
You know as much about this app as I do. I found it with a simple search.

If you're willing to pay, you could try
<>

I *did* use an RPN calculator many years ago, but it would seem quite alien to me now ;)

Otto

On Wed, 23 Oct 2019 at 19:16, MC Black <mcb@...> wrote:

Dear Otto,? (may I?)

Thank you for taking the time to respond.

I? have reinstalled the "app". No change. Touching the "Goto Manual" button brought up a screen advertising Mr. Coddington's other products - but NOT the Manual.

I have used an HP 11C for years so downloaded Touch Fin.

Do you have any idea how I can turn the virtual 12C into an 11C, please?

Is? there a instruction manual for that, please?

With best wishes and thanks again.


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