Le forum de XCAS

Hello
In the PC version of Xas, in each entry and exit line there is a [m] (menu) button, I think a new submenu is required
[AutoSimplify]
1: Do not simplify 2: Regroup 3: Simplify

I think it is practical to go and change the simplification flag panel

Ex1:
subst(a+b,[a = (y+x),b = x]) => [Do not simplify] => y+x+x
subst(a+b,[a = (y+x),b = x]) => [Regroup] => 2*x+y

Ex2:
(a + b = c)+(-b) => [Do not simplify] => a+b-b=(c-b)
(a + b = c)+(-b) => [Regroup]=> a=(-b+c)

This menu applies on the answer selection, not on the process of howto get the answer. You could set autosimplification to none globally, then call regroup from a menu : you can easily add an entry to the Expression submenu in the file doc/en/xcasmenu (or any other locales)

Is it possible to add in the [M] eq menu an option to convert two-dimensional notation to one-dimensional and live in the outputs of each line?

(1D)
a^(b^c)

(2D)
__ c
_ b
a