Ruler and Compass

This program is for geometric construction, not necessarily by ruler and compass, see exact values of constructed coordinates of points, distances, trigonometric values of constructed angles etc.
This version of a program "Ruler and Compass" includes new algebra module, quadratic functions and cubic functions module.

One of new features is a calculator, which computes with accuracy (up to) 900 significant digits. There is a separate software Calculator of Literka installation program 'installcalc.exe' which you can download free.