1)   statistiXL 1.5
statistiXL is a powerful data analysis add-in for MS Excel. Its abilities include: ANOVA, Contingency Tables, Clustering, Correlation, Discriminant and Factor Analysis, GOF, Regression, Nonparametrics, PCA, Uni and Multivariate t-Tests and many more.
statistical analysis software, data analysis, statistics software, microsoft excel, analysis of variance, principal component analysis, cluster analysis, contingency tables, t-test, correlation,

 2)   UltimaCalc Professional 3.0.647
Manipulate algebra. Integrals found & explained. Define own functions and constants. Find Standard Deviation etc. Plot functions. Solve Triangles. Least Squares fits, inc. nonlinear, Simultaneous Linear/Nonlinear Equations. Polynomial Roots. More.
algebra, algebraic graphing calculator, standard deviation, solve triangles, simultaneous linear equations, linear regression, polynomial regression, polynomial roots, multivariate regression, nonlinear,