1)   ZGrapher 1.4
This graphing calculator can plot y(x), x(y), polar, parametric and table-defined functions. Calculus features include obtaining derivatives, equations of tangents and normals, numerical integration, regression analysis.
graphing calculator, plot, graph, function, derivative, integral, tangent, normal, regression analysis, trend,

 2)   ZigZag 1.1
ZigZag is a handy tool to plot and explore math functions. It can plot Cartesian (Y(x) and X(y)), polar, parametric and also table-defined graphs
graphing calculator, plot, graph, function, derivative, integral, tangent, normal, regression analysis, trend,

 3)   The Unscrambler 9.6
Complete software package for Multivariate Data Analysis and Experimental Design. The Unscrambler`s Principal Components Analysis (PCA), Partial Least Squares Regression (PLSR) analysis and three-way PLS regression capabilities are unparalleled.
statistics, data analysis, multivariate, statistical, chemometrics, spectroscopy, spc, regression analysis, multivariate curve resolution, operations management,

 4)   DRS 2008

multivariate nonlinear data, data regression, regression analysis, data regression analysis, drs,