1)   MathProf 4.0
MathProf is an easy to use mathematics program within approximately 180 subroutines. MathProf can display mathematical correlations in a very clear and simple way. The program covers the areas Analysis, Geometry, Algebra, Stochastics,Vector algebra.
Mathematics, Maths, Formula, Educationsoftware, Teachers, Students, High school, Lessons, School, Edutainment,

 2)   Math Mechanixs 1.1.0.1
Math Mechanixs is a general purpose math program with a Math Editor for solving mathematical problems and taking notes, extensive Function Library and Function Solver, 2D & 3D Graphing, and a Calculus Utility with integration and differentiation.
math, graphing, math software, graphing software, science, physics, engineering, calculus, integration, differentiation,

 3)   FlatGraph 1.10b2
Plotting functions (usual and parametric) with more possibilities. Differentiation of any order (with simplification). Construction of tangents to the graph. The simple and clear interface with detailed documentation and examples of work.
FlatGraph, graph, function, plot, expression, research, analysis, tangent, differentiation, derivative,