by Donny Thurston
Here I will provide some scripts that can be used in GSP as a shortcut for certain constructions. To use them, simply download the file and, when opened, access the tool in the script menu. If you place this file into your GSP tool folder, then it can be accessed in any GSP document.
GSP Script Tools
1. Centroid
2. Orthocenter
3. Circumcenter
4. Circumcircle
5. Incenter
6. Incircle
7. Medial triangle
8. Centroid, Medial triangle
9. Orthocenter, Mid-segment triangle
10. Orthic triangle
11. Pedal triangle
12. Center of Nine point circle
13. Nine Point Circle
14. Trisecting a line segment
15. Equilateral triangle, given a side
16. Square, given a side
17. Isosceles triangle, given base and altitude
18. Triangle Centers (H, G, C, and I)
19. Triangle Centers with Euler Line
20. Locus of vertex of a fixed angle that subtends a fixed segment.
21. Divide a segment AB into two parts that form a golden ratio.
22. Pentagon, given a radius.
23. Pentagon, given a side.
24. Hexagon, given a side.
25. Octagon, given a side.
26. Parabola by Directrix and Focus
27. Two Circles Tangent to a Circle and a Line at point P
28. 5 iterations of triangles created with the angle bisectors of a triangle within a circle.