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Egalité de Ptolémée, preuve en géométrie analytique avec Xcas

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racines carrées

I would recommend to use fractional power instead of surd, like this near -1
limit((x**2-1)/(1-(-x)**(1/3)),x=-1)

The warning is the same but it is not sent by the same command: it's by limit in the 1st case and by simplify in the second case. Both will replace surd by x^(1/3) in intermediate computations. simplify will replace your expression temporarily by (x**2-1)/(1+x^(1/3)), then simplify then replace back...

There is indeed a misplaced fi in configure.ac, the fixed version is
https://www-fourier.univ-grenoble-alpes ... nfigure.ac
I have checked on my side, it seems ok. Does it fix your issue?

I can not reproduce with the configure shell script that is in the current tarball, it was generated with autoconf 2.69: https://www-fourier.univ-grenoble-alpes ... /configure
Perhaps an issue with a newer version of autoconf? Is there any reason to regenerate the configure script?

Qu'est-ce que Upsilon? Il s'agit d'un firmware basé sur Epsilon 15.5 tournant sur les N0100 et N0110 vendues avant 2021 et non mises à jour, avec de nombreuses améliorations faites par des contributions de la communauté Omega puis Upsilon, et qui peut être modifié et redistribué assez librement, con...

Enoncé: https://les-mathematiques.net/vanilla/d ... uee#latest

session Xcas

C'est le lien qui pointe sur ujf-grenoble.fr, or le domaine n'existe plus, le departement com' de la fac ayant decide que tout devrait migrer vers univ-grenoble-alpes.fr. Il faut donc changer le debut du lien...

Might be a cache issue ?

Should be fixed now, I hope.

Our web server is under heavy load since a couple of months, and is sometimes unavailable. Try again later...

2.0.0-21:
should fix compilation with FLTK 1.4. Other changes related to Julia interoperability.

Indeed, the library file is missing, this will be fixed for the next binary packages, thanks for pointing. By the way, if it happens that some library files are missing, the easiest way to add them is to install them from an install with brew.

The reason might be that mkjs is supposed to be a native binary of the host, it should not be cross-compiled as a target binary, because the target binary will not be executable on the host if cross-compiled. I don't know how to tell that in Makefile.am, therefore I will remove the mkjs dependancy o...