From BPI Consulting:
Our SPC software, SPC for Excel, provides an easy way to perform statistical analysis in Microsoft Excel. This SPC software is very cost effective and user-friendly. At the same time, it is a very powerful statistical package that meets the needs of most professionals - green belts, black belts, quality professionals, quality assurance, front-line personnel, supervisors, quality control, controllers, engineers, and laboratory personnel - anyone who wants to improve their data analysis.
At only $229 for a single user, SPC for Excel is an attractive alternative for many organizations. It is the perfect tool to use for statistical analysis, process improvement, problem solving and statistical training. Our SPC software is used internationally in over 60 countries. You also receive regular revisions to your version with no maintenance fees! The software includes control charts, Pareto diagrams, histograms, scatter diagrams, fishbone diagrams, process capability analysis, distribution fitting, data transformation, measurement systems analysis, regression, experimental design, hypotheses testing, nonparametric analysis.