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HP Prime whats in the printing can be done.
01-11-2022, 03:39 PM
Post: #1
HP Prime whats in the printing can be done.
Hello Everyone:
These two pics are in print the last one shows Prime doing this graphing kinda but: displays the HP 39 still it gives the impression, it can be done.

However, that is not the case still waiting for further information.

I believe it could until the last update. It may go back a few years let see.

Do you have problems entering the Equation in the HP Prime?
There should be no need for work around it in TextBook Style


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01-11-2022, 04:48 PM (This post was last modified: 01-11-2022 05:04 PM by Didier Lachieze.)
Post: #2
RE: HP Prime whats in the printing can be done.
I don't have problems entering the equations in the Prime but the values of F1(X) and F2(X) in the Plot view are NaN.

Here is how I would do it without the 'where' operator:

       

You can also use the function PIECEWISE (see the on-calc help for more details):

   

Note: in Textbook mode you can avoid specifying the second condition.
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01-11-2022, 06:03 PM
Post: #3
RE: HP Prime whats in the printing can be done.
(01-11-2022 04:48 PM)Didier Lachieze Wrote:  I don't have problems entering the equations in the Prime but the values of F1(X) and F2(X) in the Plot view are NaN.

Here is how I would do it without the 'where' operator:



You can also use the function PIECEWISE (see the on-calc help for more details):



Note: in Textbook mode you can avoid specifying the second condition.
Thank you, I was trying the Piecewise now I see how that works.
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01-11-2022, 06:20 PM
Post: #4
RE: HP Prime whats in the printing can be done.
(01-11-2022 04:48 PM)Didier Lachieze Wrote:  I don't have problems entering the equations in the Prime but the values of F1(X) and F2(X) in the Plot view are NaN.

Here is how I would do it without the 'where' operator:



You can also use the function PIECEWISE (see the on-calc help for more details):



Note: in Textbook mode you can avoid specifying the second condition.
Thank you, I was trying the Piecewise now I see how that works.
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01-12-2022, 07:14 AM
Post: #5
RE: HP Prime whats in the printing can be done.
The other way to do it is 2*MIN(1,X).

It's not elegant, but it should work. The other way to do it if you wanted a strict bound is to do (2*X)/(X<1).
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