Saad:

Thanks.  What would (hopefully) please everyone is if there was a way to 
configure the way Sage Cell behaves similar to how
local installations can write stuff to a config file.

Is there a way to hardcode the real domain/range and other things like 
implicit multiplication?

cs

On Saturday, April 8, 2017 at 3:21:17 PM UTC-5, saad khalid wrote:
>
> I am a student and I definitely agree with Chris Seberino here. I don't 
> think it is the job of software (or, rather, it is not good CAS design) to 
> try and teach people mathematics in this way. I think that the CAS should 
> be as convenient and intuitive as possible. As an example, I didn't even 
> know that the functionality with rings that projetmbc highlights in his 
> post was even possible, I simply assumed that Sage was limited in how it 
> could do factorization. This is coming from someone who, in comparison to 
> the rest of the math students at his school, is much more willing to read 
> the documentation and fiddle with the function and google for solutions 
> than most others, and I still didn't find this out till just now (and not 
> for lack of searching on previous occasions, I should say). Also, w/ 
> respect to Dima's statement about getting used to domains, I do not think 
> that is exactly related here. The "Symbolic ring" which has the property of 
> defaulting to the most expanded form of an expression is not a mathematical 
> concept that I have ever heard of, it is behaviour that is part of Sage. It 
> is behaviour that is very disconcerting for a new user using the factor 
> function. I should add, on what I believe to be an unrelated note, that 
> even if we were debating whether factorization should default to the reals 
> or the complex numbers or something similar, I would argue that it should 
> default to the most widely utilized behaviour, with the other options being 
> left as just that, options (that you can turn on by keyword). So in the 
> case of factoring to reals or complex roots, I would say that it should 
> default to real roots, with a keyword allowing complex roots. Back to the 
> main point, I do wish the factor function was made more intuitive, and that 
> factoring in SR would recognize when it is integers and actually do 
> something instead of giving you back what you put in. 
>
>
>

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