Fyi after doing

sudo pacman -Sy sagemath-giac

Now it works.

>which sage 
/usr/bin/sage 
>which giac 
/usr/bin/giac 
>sage 
┌────────────────────────────────────────────────────────────────────┐ 
│ SageMath version 10.6, Release Date: 2025-03-31                    │ 
│ Using Python 3.13.5. Type "help()" for help.                       │ 
└────────────────────────────────────────────────────────────────────┘ 
sage: print(giac.version()) 
"giac 2.0.0, (c) B. Parisse and R. De Graeve, Institut Fourier, Universite 
Grenoble Alpes. Optimization, signalprocessing, graph theory
(c) Luka Marohnić" 
sage: var('x') 
x 
sage: integrate(sin(x),x,algorithm="giac") 
-cos(x)


--Nasser

On Saturday, July 12, 2025 at 6:58:07 AM UTC-5 Michael Orlitzky wrote:

> On 2025-07-12 13:40:19, Georgi Guninski wrote:
> > 
> > On this testcase, both sagecell and sage 10.6 built from source on
> > Fedora 41 with system giac give the same output, so they both are
> > equally correct or equally incorrect.
> > 
>
> The output is correct, although again it would be better if it told
> you to install sagemath-giac somewhere.
>
> The difference between a local installation and sagecell is that, with
> a local install, you can actually install sagemath-giac, and with the
> sagecell, you can't. So it's a sagecell bug in the sense that they
> would have to be the ones to install the new optional package.
>

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