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Kig is a program for exploring geometric constructions.

It is part of the KDE Education Project.

All three segment axes of a triangle intersect in one point which is the center of the circumscribed circle.

Kig is meant as a better replacement for such free programs as KGeo, KSeg and Dr. Geo and commercial programs like Cabri.

Kig is a useful and powerful utility for high school students and teachers, and as a fun project as well. We have learned a lot by working on it, and it's fun to work together with other people on it.



You can select objects by drawing a box. Give each object a suitable name.
Kig has a tool for drawing regular polygons. Arbitrary polygons are supported, too.

See more screenshots...


Kig Macros

Since Kig can import and use third-part macros as built-in objects, it can have new objects, being more and more powerful.

If you don't know how to import a macro, please read the FAQ.