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)   ESBPCS-Stats for VCL 4.2.2
ESBPCS-Stats is a subset of ESBPCS containing Components and Routines for Statistical Analysis and Matrix/Vector Manipulation in Borland Delphi and C++ Builder. Includes Data Aware Components and full source, as well as a good subset of the controls.
Delphi, Components, Data Aware, Matrix, Matrices, Matrixes, Vector, Vectors, Linear Regression, Probability,

 3)   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,