1)   Advanced Grapher 2.11
Graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions and inequalities. Calculus features: regression analysis, derivatives, tangents, normals and more.
graph, graphs, regression, plotting, curve, fitting, analysis, plot, function, equation,

 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)   Abacus Math Writer 4.0
MathWriter is a java stand-alone program that allows for the production of, Mathematical, Scientific and Engineering equations and formulae.Schoolteachers and Lecturers will find MathWriter useful for producing notes, reports and test papers.
mathematics, math, scientific, differential, equations, integral, maths, calculus, computational, science,

 4)   Robot4 0.67
Robot4 (tm) is a Robotic Arm Movement program where the arm is moved from given position to desired position (an Inverse Problem). The program finds the angles necessary for the desired position. A Fortran Calculus demo application.
Inverse Problem, Robotics, Mathematical Modeling, Engineering, Teaching, Calculus, Fortran Calculus Programming, Fortran Calculus Language, Fortran Calculus compiler,