See also:

• Computers: Software: Spreadsheets: Excel  (133)

• ad Science: StatEL - Excel addin for non-professional users of statistics. Helps the user to conduct a proper analysis and to understand the results. Works on Windows and MAC OS X. Free demo available.
• Analyse-It - Statistical software integrated into Microsoft Excel for linear regression, anova, chi-square and other functions. Download evaluation.
• ConnectCode: TinyGraphs - Open source Excel add-in that creates sparklines charts and graphs.
• EZAnalyze - Free Excel Add In designed to permit the calculation of basic descriptive and inferential statistics without selecting ranges or typing formulas
• Microsoft Data Analysis Toolpak - Free add in included with Excel but not enabled by default. Calculates many descriptive and inferential statistics.
• QETools - Six Sigma statistical tools (Excel Add-in) from basic descriptive statistics and hypothesis testing to control charting, regression, and ANOVA. Demo download. Purchase online.
• SigmaXL - SigmaXL is an add-in for Microsoft Excel 2000 and higher. It enables the user to measure, analyze, improve and control their service, transactional and manufacturing processes. Free demo is available.
• statistiXL - Statistics add-in for Microsoft Excel. Includes univariate and multivariate tests such as ANOVA, Correlation, Regression, PCA, Factor and Discriminant Analysis.
• StatTools - Advanced statistical analysis add-in for Microsoft Excel. StatTools replaces Excel's statistics function with 36 robust statistical procedures.
• Unistat Ltd. - Makes and sells Unistat for Windows: comprehensive stand-alone statistical package that can also be an Excel add-in. A one stop solution for data handling, analysis, and presentation quality scientific graphics.
• WinSTAT - An Excel Add-In providing statistical tests and diagrams. Demonstration download.
• XLMiner - XLMiner is a comprehensive data mining add-in for Excel, with neural nets, classification and regression trees, logistic regression, linear regression, clustering, and principal components. Trial version available, requires Excel 2000 or later.
• XLSTAT - Data analysis and statistics add-in for Excel. Includes over 40 statistical and data analysis features for statistics experts, researchers, students, and teachers. Buy on-line or download trial version.
• Zumastat - Provides ability to calculate confidence intervals for correlations, power analysis, and meta analysis (and many more) using summary statistics. Contains many advanced functions. Evaluation download not available, purchase online.