Report problems with CAS and its interface.

[jte]

(04-02-2024 01:46 PM)compsystems Wrote:  Hello, CAS operation on hp-prime is not synchronized with the system GUI. I will report these problematic situations in this thread.
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Thanks! I thought I'd try to add some comments from this thread to the bug tracker I've set up.

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2: The following situation happens very rarely

When executing the following algebraic expression, the exact coeficient numbers are changed to decimal numbers, that is, a point is added.

subst(a*x^2+b*x+c,[a = -6,b = -4,c = 2]) [ENTER] returns -6*x^2-4*x+2

Run it a few times and you will most likely see the following:

-6. *x^2 -4. *x + 2.0

I've tried to recreate this on both HP Prime Virtual Calculators and on a physical HP Prime, with a variety of different settings for Entry mode and Simplification, but could not reproduce it.

While writing this post (after writing the sentence just before this one), I did try the above subst, but with an "a" variable set to "-6.", and then (repeatedly) got the -6. in the output.

Some more information might help. Are you seeing this with behaviour with the latest public release (2.1.14732 (2023 04 21))? (Does it occur even with a completely fresh / blank calculator?)