Margaret Morgan's GSP Script Tool Library

Centroid	Orthocenter	Circumcenter
Circumcirle	Incenter	Incircle
Medial Triangle	Orthocenter, Mid-segment Triangle	Orthic Triangle
Pedal Triangle	Center of Nine Point Circle	Nine Point Circle
Trisecting a Line Segment	Equilateral Triangle,Given a Side	Square, Given a Side
Isosceles Triangle, given base and altitude	Triangle Centers (H, G, C, and I)	Triangle Centers with Euler Line
Locus of vertex of a fixed angle that subtends a fixed segment	Divide a segment AB into two parts that form a golden ratio	Pentagon given a radius
Pentagon, given a side	Hexagon, given a side	Octagon, given a side