This project is devoted to all those people that enjoy geometric constructions with ruler and compass.
The content is taken care by the Research Center on Didactics "U. Morin" from Paderno del Grappa (IT),
which this way wants to honor the memory of the founder Friar Roberto Sitia.
Idea and maintenance of the site are of polarprof (alias prof. G. Artico).
The dynamic geometry software supporting the project is C.a.R. from prof. René Grothmann.

Anyone can freely browse the list of the problems, and see if and by whom they were solved.
However only registered users can publish their solutions in a common database.
In order to register you must pick a username and a password and optionally define a profile.
Solutions of an exercise are visible only to whom has succeeded in solving it.
Every week new problems will be proposed; visitors suggestions are also welcome.
Thanks for your visit and... good luck!

User: unidentified