Ruler and Compass 1.7.1

Geometrical constructions with ruler and compass. Write a source file with a provided editor and see output of your construction. There is a step-by-step option to see all steps of a construction. Constructions of polyhedrons with many examples. Graphs. Algebraic simplifications of mathematical expressions. Fractions are written in an ordinary way, as you learned it in your school. Write an easy source files showing roots of quadratic and cubic equations. See approached and exact values of these roots and the graph of a quadratic or cubic function at the same time. Curves and theirs images of analytic functions. It is a good illustration of properties of analytic functions. Calculator computing with accuracy of 900 significant digits. It computes values of any fraction with functions like: roots, logarithms,exponents, trigonometric functions.