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Casio fx-CG20 and khiCAS


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#1 Pälzer

Pälzer

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Posted 21 April 2024 - 03:49 PM

Hello,
I use among other pocket calculators recently started using a Casio fx-CG20 and have downloaded khicas.
I have a few questions about this

 

e.g.  1)

 

x^2 - 9 = 0

EXE

=>  (x^2 - 9) = 0

[eval]-key without function

 

how do I arrive at the solution 3; -3 ?

I hope that I have written clearly.

 

Thank you very much

 

[translated from german]



#2 Pälzer

Pälzer

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    Casio fx-CG20, fx-3800p, fx-4000p, fx-5800p, fc-200, etc.
    HP 48sx, 48g, 20s, 17b, 19b, etc.

Posted 21 April 2024 - 04:44 PM

My question has been answered.
I saw an older YouTube video at lunchtime today:

x^2 - 9 = 0

EXE

=>  (x^2 - 9) = 0 

=>  it was solved by pressing the [eval] button

 

I think that was an old khicas-version



#3 pan.gejt

pan.gejt

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Posted 21 April 2024 - 07:11 PM

There should be command "solve"

https://www-fourier....sioen.html#sec9




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