Geometric constructions and their accuracy (GEOM) The principles and usage of the GEOM program are described in http://www.survo.fi/papers/GeomAccuracy.pdf Templates for using GEOM is found by activating LOAD <Survo>\U\D\_GEOM / Pentagons LOAD <Survo>\U\D\_GEOM2 / Approximate circle squaring The latter one works also in the freeware version Survo Editor 3.05+ M = More information on mathematical operations