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Solved!

HP Rpime functions

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HP PRIME
Microsoft Windows 10 (64-bit)

Hi everyone, how do I transport a function written in the CAS into the Function App? In fact, in the CAS environment the functions are written with a lowercase letter, while in the Function App the functions are written with a capital letter.

 

Thanks a lot, Roberto.

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CAS functions and programs can be used in the Function App just like any built-in function.  For example, if you have a CAS function that you call myfunc, just include myfunc(X) as a Symb entry in the Function App.  You can also include it in an algebraic expression, like 2*myfunc(X)/3 or whatever.

 

If you try that and it doesn't work or you get an error message that you don't understand, please let us know exactly what your CAS function or program is, and how you entered it into the Function App, and together we'll figure out how to get it working.

 

Disclaimer: I don't work for HP. I'm just another happy HP calculator user.

-Joe-
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Hi Joe, the function is as follows:

OneJoe.png

Now I put the function in the Fuction App:

TwoJoe.png

And this is the result:

3Joe.png

 

Where am I doing wrong? Thank you so much for your availability, greetings, Roberto

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I think I see the problem.  You didn't define myfunc as a function of t.  Instead of starting your definition with

myfunc:=

try starting it with

myfunc(t):=

instead.  Of course, use whichever variable the definition uses.

 

I just tried this in CAS:

myfunc(x):=x+1

and it worked in the Function App just fine.  So I suspect that it'll work for your function too.

 

Hope that helps!

-Joe-
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Thanks a lot, your suggestion works well.

Sincerely, Roberto.

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