Wikipedia
ProStat
ProStat is a program for statistical analysis and graphical presentation designed to analyze data and create publication quality 2D and 3D graphs developed by Poly Software International, Inc. The software can read multiple formats and perform mathematical transforms and statistical analyses. ProStat can help reach research and development goals, including analyzing data for a proposal, preparing graphs for publication, or solving technical research problems. ProStat is maintained on Microsoft Windows operating systems, and the current version is 5.5 for Windows 98 to Windows 7.