Re: Sign and complex.

Liste des GroupesRevenir à s math 
Sujet : Re: Sign and complex.
De : r.hachel (at) *nospam* tiscali.fr (Richard Hachel)
Groupes : sci.math
Date : 07. Mar 2025, 00:08:11
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Organisation : Nemoweb
Message-ID : <UXT5VLjL5YAXx0GDNDvgPAwxTfc@jntp>
References : 1 2 3 4 5 6 7 8 9
User-Agent : Nemo/1.0
Le 06/03/2025 à 23:31, "Chris M. Thomasson" a écrit :

You have used graph paper and a ruler before, right?
Yes, a hundred years ago...
Otherwise, I don't consider complex numbers in the same way as mathematicians. I use them in a much, much simpler way, which is a problem for them because they are so tangled up in their difficulties that they don't understand anything at all when I try to teach them.
The current scientific problem is very particular, in the sense that everything has become so complicated that we don't even understand simple things anymore.
R.H.

Date Sujet#  Auteur
3 Mar 25 * Sign and complex.19Richard Hachel
3 Mar 25 +* Re: Sign and complex.3Python
3 Mar 25 i`* Re: Sign and complex.2Richard Hachel
3 Mar 25 i `- Re: Sign and complex.1Chris M. Thomasson
3 Mar 25 +* Re: Sign and complex.14Chris M. Thomasson
4 Mar 25 i`* Re: Sign and complex.13Richard Hachel
4 Mar 25 i `* Re: Sign and complex.12Chris M. Thomasson
4 Mar 25 i  +* Re: Sign and complex.2Chris M. Thomasson
4 Mar 25 i  i`- Re: Sign and complex.1Chris M. Thomasson
4 Mar 25 i  +* Re: Sign and complex.3Python
4 Mar 25 i  i+- Re: Sign and complex.1Richard Hachel
4 Mar 25 i  i`- Re: Sign and complex.1Chris M. Thomasson
4 Mar 25 i  `* Re: Sign and complex.6Richard Hachel
4 Mar 25 i   `* Re: Sign and complex.5Chris M. Thomasson
6 Mar 25 i    `* Re: Sign and complex.4Chris M. Thomasson
6 Mar 25 i     `* Re: Sign and complex.3Richard Hachel
6 Mar 25 i      `* Re: Sign and complex.2Chris M. Thomasson
7 Mar 25 i       `- Re: Sign and complex.1Richard Hachel
3 Mar 25 `- Re: Sign and complex.1Chris M. Thomasson

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