<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> <div class="moz-cite-prefix">Le 02/03/2026 à 18:55, Robert Chifflet via Cuis-dev a écrit : </div> <blockquote type="cite" cite="mid:CAL8MCbrV78OnfaZMQSsUqr0hZTD1FkFWpD5Kyxcd_2br-AWMLA@mail.gmail.com">My task is merely frustrating.</blockquote> Take another topic, really! You have also <ul> <li>the "Cuis Book", </li> <li>the book "Programmer with DrGeo", <a class="moz-txt-link-freetext" href="https://www.gnu.org/software/dr-geo/doc/fr/programming/index.html">https://www.gnu.org/software/dr-geo/doc/fr/programming/index.html</a>. I wrote it for my students, but I only used once, just before COVID </li> </ul> If your learner is very talented, go for programming Morph, it is much more rewarding and fun. Make him/her code a Morph it can interact with mouse and keyboard events. DrGeo will have already set him/her up with Cartesian coordinates. If so, you can look at the "The Morph book" vol. I & vol. II, but you will have to know the topic yourself first. You can't teach something you don't know about, right? If you insist on deconstructing existing framework, in that case pick-up DrGeo. But I found this path more complicate. <pre class="moz-signature" cols="72">-- GNU Dr. Geo <a class="moz-txt-link-freetext" href="http://gnu.org/s/dr-geo/">http://gnu.org/s/dr-geo/</a> <a class="moz-txt-link-freetext" href="http://gnu-drgeo.blogspot.com/">http://gnu-drgeo.blogspot.com/</a></pre> </body> </html>